Iron Stable

FLHRC TOURING ROAD KING CLASSIC Parts & Accessories

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Harley-Davidson Accessories This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. Designed for a high level of flexibility, this package is ideal for riders who like to comfortably cruise at lower rpm but still have plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075" Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets, High Capacity Clutch Springs (1200N) and most necessary gaskets and seals. Increases power by up to 40% when compared to the Original Equipment engine configurations. Delivers increased response throughout the entire RPM range. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from the chassis. Retains Original Equipment Factory Warranty. 50-State U.S. EPA compliant. Includes Screamin' Eagle Cylinder Heads with Performance Valve Springs, Throttle Body, High Flow Injectors, Bolt-On Cylinders, Pistons, Piston Rings, Cam, Cam Bearings, Tappets, Head Gaskets, Top End, Cylinder Base and Cam Cover Gaskets, and Clutch Springs.

This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. Designed for a high level of flexibility, this package is ideal for riders who like to comfortably cruise at lower rpm but still have plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075" Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets, High Capacity Clutch Springs (1200N) and most necessary gaskets and seals. Increases power by up to 40% when compared to the Original Equipment engine configurations. Delivers increased response throughout the entire RPM range. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from the chassis. Retains Original Equipment Factory Warranty. 50-State U.S. EPA compliant. Includes Screamin' Eagle Cylinder Heads with Performance Valve Springs, Throttle Body, High Flow Injectors, Bolt-On Cylinders, Pistons, Piston Rings, Cam, Cam Bearings, Tappets, Head Gaskets, Top End, Cylinder Base and Cam Cover Gaskets, and Clutch Springs.

Harley-Davidson Accessories

#92500073

£3045.94£2741.35
Member£2589.05-15%
Harley-Davidson Accessories This kit was developed for the budget minded rider that wants to experience crisp throttle response and acceleration they can feel at slower speeds. The 5% increase in torque can be felt immediately off the line and continues to build by up to a 14% increase @ 4500 RPM - the ideal power band for passing slow moving vehicles. Delivers enhanced torque and horsepower in the low to mid RPM range. Produces passing power without a downshift or high revs. Minimally invasive, only requiring opening of the cam chest. Retains Original Equipment Factory Warranty. Includes Gloss Black covers. Stage II Upgrade.

This kit was developed for the budget minded rider that wants to experience crisp throttle response and acceleration they can feel at slower speeds. The 5% increase in torque can be felt immediately off the line and continues to build by up to a 14% increase @ 4500 RPM - the ideal power band for passing slow moving vehicles. Delivers enhanced torque and horsepower in the low to mid RPM range. Produces passing power without a downshift or high revs. Minimally invasive, only requiring opening of the cam chest. Retains Original Equipment Factory Warranty. Includes Gloss Black covers. Stage II Upgrade.

Harley-Davidson Accessories

#92500074A

£557.71£501.94
Member£474.05-15%
Harley-Davidson Accessories This kit was developed for the budget minded rider who wants to experience an adrenalin-pumping burst of speed on the way to the red line. The additional power starts to build at 3000 RPM and increases by up to 24% at the red line. When riding aggressively, you must downshift to lower gears to keep the engine in the higher RPM range. Ideal for riders looking for excitement and willing to ride in the upper RPM range. Produces greater acceleration in the mid and upper RPM range. Minimally invasive, requiring only the opening of the cam chest. Retains Original Equipment Factory Warranty. Includes covers in gloss black. Stage II Upgrade.

This kit was developed for the budget minded rider who wants to experience an adrenalin-pumping burst of speed on the way to the red line. The additional power starts to build at 3000 RPM and increases by up to 24% at the red line. When riding aggressively, you must downshift to lower gears to keep the engine in the higher RPM range. Ideal for riders looking for excitement and willing to ride in the upper RPM range. Produces greater acceleration in the mid and upper RPM range. Minimally invasive, requiring only the opening of the cam chest. Retains Original Equipment Factory Warranty. Includes covers in gloss black. Stage II Upgrade.

Harley-Davidson Accessories

#92500075A

£557.71£501.94
Member£474.05-15%
Harley-Davidson Accessories This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500077

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Oil-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Oil-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500078

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models.

Harley-Davidson Accessories

#92500079

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500080

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500081

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500082

£3944.54£3550.09
Member£3352.86-15%
Harley-Davidson Accessories This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 23% more torque and increases power by up to 17% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 23% more torque and increases power by up to 17% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

Harley-Davidson Accessories

#92500084

£2031.64£1828.48
Member£1726.89-15%
Harley-Davidson Accessories This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 13% more torque and increases power by up to 15% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 13% more torque and increases power by up to 15% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

Harley-Davidson Accessories

#92500086

£2031.64£1828.48
Member£1726.89-15%
Harley-Davidson Accessories Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25600085

£41.27£37.14
Member£35.08-15%
Harley-Davidson Accessories Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25600087

£41.27£37.14
Member£35.08-15%
Harley-Davidson Accessories Willie G Skull Timer Cover in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Includes chrome-plated stainless steel mounting hardware. Sold each. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Includes chrome-plated stainless steel mounting hardware. Sold each. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#32975-04A

£41.27£37.14
Member£35.08-15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29400345

£56.76£51.08
Member£48.25-15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29400366

£56.76£51.08
Member£48.25-15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Easy installation, chrome finish. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Easy installation, chrome finish. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29417-04

£56.76£51.08
Member£48.25-15%
Harley-Davidson Accessories Willie G Skull Derby Cover in chrome. Add a little attitude to your ride - the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch. Styled to complement Harley-Davidson Skull accessory items. Includes chrome-plated stainless steel mounting hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Derby Cover in chrome. Add a little attitude to your ride - the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch. Styled to complement Harley-Davidson Skull accessory items. Includes chrome-plated stainless steel mounting hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25700469

£77.41£69.67
Member£65.80-15%
Harley-Davidson Accessories This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. Designed for a high level of flexibility, this package is ideal for riders who like to comfortably cruise at lower rpm but still have plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075" Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets, High Capacity Clutch Springs (1200N) and most necessary gaskets and seals. Increases power by up to 40% when compared to the Original Equipment engine configurations. Delivers increased response throughout the entire RPM range. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from the chassis. Retains Original Equipment Factory Warranty. 50-State U.S. EPA compliant. Includes Screamin' Eagle Cylinder Heads with Performance Valve Springs, Throttle Body, High Flow Injectors, Bolt-On Cylinders, Pistons, Piston Rings, Cam, Cam Bearings, Tappets, Head Gaskets, Top End, Cylinder Base and Cam Cover Gaskets, and Clutch Springs.

This Stage IV Kit was developed to deliver maximum horsepower from the Milwaukee-Eight engine - all the way to the redline. The system-matched combination of larger displacement cylinders, free flowing CNC-Ported cylinder heads and a cam with the highest available valve lift are the starting point to building the perfect engine for the performance junkie. Designed for a high level of flexibility, this package is ideal for riders who like to comfortably cruise at lower rpm but still have plenty of arm-pulling acceleration when you whack the throttle. Kit includes CNC Ported Cylinder Heads with Performance Valve Springs, 64mm Throttle Body, High Flow Injectors (5.5g/s), 4.075" Bolt-On Cylinders, Forged 11:1 High Compression Aluminum Coated Pistons and Rings, SE8-515 Cam, Cam Bearing Upgrade, High Performance Tappets, Multi-layer Coated Head Gaskets, High Capacity Clutch Springs (1200N) and most necessary gaskets and seals. Increases power by up to 40% when compared to the Original Equipment engine configurations. Delivers increased response throughout the entire RPM range. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from the chassis. Retains Original Equipment Factory Warranty. 50-State U.S. EPA compliant. Includes Screamin' Eagle Cylinder Heads with Performance Valve Springs, Throttle Body, High Flow Injectors, Bolt-On Cylinders, Pistons, Piston Rings, Cam, Cam Bearings, Tappets, Head Gaskets, Top End, Cylinder Base and Cam Cover Gaskets, and Clutch Springs.

Harley-Davidson Accessories

#92500073

£3045.94 £2741.35
Member £2589.05 -15%
Harley-Davidson Accessories This kit was developed for the budget minded rider that wants to experience crisp throttle response and acceleration they can feel at slower speeds. The 5% increase in torque can be felt immediately off the line and continues to build by up to a 14% increase @ 4500 RPM - the ideal power band for passing slow moving vehicles. Delivers enhanced torque and horsepower in the low to mid RPM range. Produces passing power without a downshift or high revs. Minimally invasive, only requiring opening of the cam chest. Retains Original Equipment Factory Warranty. Includes Gloss Black covers. Stage II Upgrade.

This kit was developed for the budget minded rider that wants to experience crisp throttle response and acceleration they can feel at slower speeds. The 5% increase in torque can be felt immediately off the line and continues to build by up to a 14% increase @ 4500 RPM - the ideal power band for passing slow moving vehicles. Delivers enhanced torque and horsepower in the low to mid RPM range. Produces passing power without a downshift or high revs. Minimally invasive, only requiring opening of the cam chest. Retains Original Equipment Factory Warranty. Includes Gloss Black covers. Stage II Upgrade.

Harley-Davidson Accessories

#92500074A

£557.71 £501.94
Member £474.05 -15%
Harley-Davidson Accessories This kit was developed for the budget minded rider who wants to experience an adrenalin-pumping burst of speed on the way to the red line. The additional power starts to build at 3000 RPM and increases by up to 24% at the red line. When riding aggressively, you must downshift to lower gears to keep the engine in the higher RPM range. Ideal for riders looking for excitement and willing to ride in the upper RPM range. Produces greater acceleration in the mid and upper RPM range. Minimally invasive, requiring only the opening of the cam chest. Retains Original Equipment Factory Warranty. Includes covers in gloss black. Stage II Upgrade.

This kit was developed for the budget minded rider who wants to experience an adrenalin-pumping burst of speed on the way to the red line. The additional power starts to build at 3000 RPM and increases by up to 24% at the red line. When riding aggressively, you must downshift to lower gears to keep the engine in the higher RPM range. Ideal for riders looking for excitement and willing to ride in the upper RPM range. Produces greater acceleration in the mid and upper RPM range. Minimally invasive, requiring only the opening of the cam chest. Retains Original Equipment Factory Warranty. Includes covers in gloss black. Stage II Upgrade.

Harley-Davidson Accessories

#92500075A

£557.71 £501.94
Member £474.05 -15%
Harley-Davidson Accessories This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500077

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Oil-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

This Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Heads with CNC machined chamber and 1mm larger valves L93, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing, Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI to 128CI for Oil-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500078

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models.

Harley-Davidson Accessories

#92500079

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500080

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Twin-Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500081

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stage IV Kit was designed to deliver maximum horsepower - all the way to the redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee-Eight motor. Features new CNC-ported heads with 1mm bigger valves and fully machined combustion chambers. Coupled with the kit's high-lift SE8-517 cam, high compression pistons and a 64mm throttle body and intake manifold, this combination delivers a thrilling 131 ft-lb of torque and 121 HP rear-wheel output when paired with Screamin' Eagle Street Cannon Mufflers. It's designed to run wide open at high-end RPMs and provide a significant boost of torque from cruising speed. You'll feel the difference as soon as you twist the throttle. When installed by an authorized Harley-Davidson Dealer within 60 days of the vehicle purchase, compliant kits do not impact the vehicle's limited warranty. Kit includes CNC Ported Cylinder Head with CNC machined chamber and 1mm larger valves, Stage IV Timer Cover, SE8-517 High-Lift Cam, Forged High Compression Pistons, High Performance Cam Bearing and Tappets, 4.31" Steel Sleeve Cylinders, 64mm Throttle Body and Cast Manifold and High Flow Injectors (5.5 g/sec). Stage IV Kit - 114CI or 117CI to 131CI for Oil Cooled models. Delivers increased response throughout the entire RPM range. Provides thrilling acceleration when twisting the throttle. Maintains flat torque curve from cruising RPM to redline. Can be installed without removing the engine from chassis. Retains Original Equipment Factory Warranty. 49-State U.S. EPA Compliant on '17-later Touring models.

Harley-Davidson Accessories

#92500082

£3944.54 £3550.09
Member £3352.86 -15%
Harley-Davidson Accessories This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 23% more torque and increases power by up to 17% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 23% more torque and increases power by up to 17% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

Harley-Davidson Accessories

#92500084

£2031.64 £1828.48
Member £1726.89 -15%
Harley-Davidson Accessories This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 13% more torque and increases power by up to 15% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

This Stage III kit has been developed for the rider looking for a solid seat of the pants increase you can feel every time you roll on the throttle. The bump up in displacement and compression deliver a significant increase in torque and power over stock, all the while restoring the sensation of riding solo when you're loaded down. Delivers up to 13% more torque and increases power by up to 15% when compared to the Original Equipment 114CI engine configuration. Delivers increased throttle response throughout the entire RPM range. Produces flexible roll-on passing power without a required downshift. Delivers excellent stop-light to freeway speed on-ramp acceleration. Retains Original Equipment Factory Warranty. Includes 4.155" Big Bore Bolt-On Cylinders, Forged 11.0:1 High Compression Pistons and Rings, SE8-447 Torque Cam, High Capacity Tappets, High Performance Cam Bearing, Stage III Timer Cover & Insert. Includes Multi-Layer Coated Head Gaskets, Cylinder Base and Cam Cover Gaskets, most necessary gaskets and seals. Pending 49-State U.S. EPA compliant.

Harley-Davidson Accessories

#92500086

£2031.64 £1828.48
Member £1726.89 -15%
Harley-Davidson Accessories Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25600085

£41.27 £37.14
Member £35.08 -15%
Harley-Davidson Accessories Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25600087

£41.27 £37.14
Member £35.08 -15%
Harley-Davidson Accessories Willie G Skull Timer Cover in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Includes chrome-plated stainless steel mounting hardware. Sold each. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Timer Cover in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Includes chrome-plated stainless steel mounting hardware. Sold each. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#32975-04A

£41.27 £37.14
Member £35.08 -15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G®, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson® Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29400345

£56.76 £51.08
Member £48.25 -15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in black. Penned at the hand of Willie G, the famous Skull Collection makes a shift to the dark side. Completely drenched in black, the raised skull and surrounding Harley-Davidson Motorcycle script add a subtle ominous touch to your ride. The matte finish easily coexists alongside gloss black or wrinkle black surfaces. Includes matching black hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29400366

£56.76 £51.08
Member £48.25 -15%
Harley-Davidson Accessories Willie G Skull Air Cleaner Trim in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Easy installation, chrome finish. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Air Cleaner Trim in chrome. Add a little attitude to your ride. Styled to complement Harley-Davidson Skull accessory items, the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch, and this complete collection of engine covers dresses your bike for a true custom look. Easy installation, chrome finish. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#29417-04

£56.76 £51.08
Member £48.25 -15%
Harley-Davidson Accessories Willie G Skull Derby Cover in chrome. Add a little attitude to your ride - the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch. Styled to complement Harley-Davidson Skull accessory items. Includes chrome-plated stainless steel mounting hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Willie G Skull Derby Cover in chrome. Add a little attitude to your ride - the menacing raised skull with black-filled eyes leaps from a field of chrome. The surrounding "Harley-Davidson Motorcycles" script is the perfect finishing touch. Styled to complement Harley-Davidson Skull accessory items. Includes chrome-plated stainless steel mounting hardware. Complete the look with additional accessories from the Harley-Davidson Willie G Skull Collection.

Harley-Davidson Accessories

#25700469

£77.41 £69.67
Member £65.80 -15%

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