789171 S S Exhaust Valve 1 605 X 4 428
incl. VAT
Chapter members save 15% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- S&S Cycle
- Part Number
- 789171
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- X-WEDGE ENGINE PARTS
- VAT Rate
- 20%
About This Product
For those servicing the cylinder heads on an S&S X-Wedge engine, this exhaust valve is a direct-fit performance component. It measures 1.605 inches by 4.428 inches and is designed specifically for the XW-series valvetrain. These engines are a staple in the custom motorcycle world, powering machines from Morgan Threewheeler, Big Dog, and American Iron Horse. Whether you are maintaining a standard X114, X117, or X121, or working on a high-output X128 or X132 big-bore build, this valve provides the durability and heat resistance needed for the exhaust side. Sold individually, it represents the high quality expected from S&S Cycle.
Fitment
S&S XW-Series
Related Products
View all →
Kibblewhite Precision Machining Inc.
Slip/Snug Dowel Pins, .250" x .252" x .52", 4 Pack
S&S Cycle
X-Wedge S&S Chrome Oil Filter, Twin Cam 1999-2017 & Milwaukee-Eight 2017-up
S&S Cycle
Woodruff Key, 1/8" x 1/2", ANSI #404, X-Wedge Cam
S&S Cycle
X-Wedge Intake Valve Seat, 2", 1984-Up (OEM 18020-83)
S&S Cycle
X-Wedge Exhaust Valve Seat, 1.605", 1984-Up
Standard Motor Products
X-Wedge Engine Temperature Sensor (OEM 32446-99)
Cycle Pro LLC
X-Wedge Temperature Sensor, TC
Walker Products
X-Wedge WP Coolant Temperature Sensor, TC99-17
More from S&S Cycle
View all →
TOP END GUARDIAN KIT FOR MILWAUKEE EIGHT
HIGH PERFORMANCE FUEL INJECTORS
HIGH PERFORMANCE FUEL INJECTORS
HIGH PERFORMANCE FUEL INJECTORS
HIGH PERFORMANCE FUEL INJECTORS
CAM CHEST KITS FOR MILWAUKEE EIGHT
CAM CHEST KITS FOR MILWAUKEE EIGHT
124CI, 128CI, 129CI & 132CI POWER PACKAGES FOR MILWAUKEE EIGHT
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.