Iron Stable

Harley-Davidson FAT BOY Builder Components

Genuine HD builder components and aftermarket alternatives that fit the FAT BOY — all years. Select your year for exact fitment and pricing.

Select your year for exact fitment & prices

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Genuine Harley-Davidson (20)

Screamin' Eagle Rocker Arm Support

Genuine Harley-Davidson

Screamin' Eagle Rocker Arm Support

17675-01B
Iron Pass £193.10£227.18View
Closed End Combo Wrench, 15/16" & 36mm

Genuine Harley-Davidson

Closed End Combo Wrench, 15/16" & 36mm

94697-08
Iron Pass £21.34£25.10View
Perfect Fit Pushrods, Set of 4

Genuine Harley-Davidson

Perfect Fit Pushrods, Set of 4

18400-03
Iron Pass £117.61£138.36View
Screamin' Eagle 58mm Throttle Body

Genuine Harley-Davidson

Screamin' Eagle 58mm Throttle Body

27639-07B
Iron Pass £420.50£494.70View
Screamin' Eagle Left Bearing, Flywheel Sprocket Shaft

Genuine Harley-Davidson

Screamin' Eagle Left Bearing, Flywheel Sprocket Shaft

24004-03B
Iron Pass £53.92£63.44View
Screamin' Eagle Tapered Adjustable Pushrod Kit, Black

Genuine Harley-Davidson

Screamin' Eagle Tapered Adjustable Pushrod Kit, Black

17900032
Iron Pass £237.88£279.86View
Screamin' Eagle Racing King 6-Speed Transmission

Genuine Harley-Davidson

Screamin' Eagle Racing King 6-Speed Transmission

36300037
Iron Pass £3069.28£3610.92View
Screamin' Eagle Perfect-Fit Pushrods, +.030

Genuine Harley-Davidson

Screamin' Eagle Perfect-Fit Pushrods, +.030

18401-03
Iron Pass £117.61£138.36View
Screamin' Eagle 117ci Race Performance Upgrade Kit

Genuine Harley-Davidson

Screamin' Eagle 117ci Race Performance Upgrade Kit

92500053
Iron Pass £2011.35£2366.29View
Screamin' Eagle Twin Cam Crankcase Set, Black

Genuine Harley-Davidson

Screamin' Eagle Twin Cam Crankcase Set, Black

24400033
Iron Pass £1391.08£1636.57View
Screamin' Eagle 110ci Stage 5 Power Kit

Genuine Harley-Davidson

Screamin' Eagle 110ci Stage 5 Power Kit

92500037A
Iron Pass £2611.00£3071.76View
Timken Bearing Sleeve Insert Kit

Genuine Harley-Davidson

Timken Bearing Sleeve Insert Kit

34822-08
Iron Pass £127.25£149.71View
Screamin' Eagle 117ci Big Bore Cylinder & Piston Kit

Genuine Harley-Davidson

Screamin' Eagle 117ci Big Bore Cylinder & Piston Kit

92500051
Iron Pass £1247.53£1467.68View
Automatic Compression Release

Genuine Harley-Davidson

Automatic Compression Release

28861-07A
Iron Pass £46.80£55.06View
Screamin' Eagle Tapered Adjustable Pushrods

Genuine Harley-Davidson

Screamin' Eagle Tapered Adjustable Pushrods

18404-08
Iron Pass £229.10£269.53View
Screamin' Eagle 58mm Throttle Body

Genuine Harley-Davidson

Screamin' Eagle 58mm Throttle Body

27713-08
Iron Pass £420.50£494.70View
Screamin' Eagle 117CI Race Performance Upgrade Kit

Genuine Harley-Davidson

Screamin' Eagle 117CI Race Performance Upgrade Kit

92500052
Iron Pass £2011.35£2366.29View
Screamin' Eagle CNC-Ported Cylinder Heads, Twin Cam

Genuine Harley-Davidson

Screamin' Eagle CNC-Ported Cylinder Heads, Twin Cam

16500013A
Iron Pass £1043.85£1228.06View
Screamin' Eagle 58mm Throttle Body

Genuine Harley-Davidson

Screamin' Eagle 58mm Throttle Body

27200029
Iron Pass £420.50£494.70View
Screamin' Eagle 117ci Big Bore Cylinder & Piston Kit

Genuine Harley-Davidson

Screamin' Eagle 117ci Big Bore Cylinder & Piston Kit

92500050
Iron Pass £1247.53£1467.68View

Aftermarket alternatives

Aftermarket builder components that fit the FAT BOY. Genuine Harley-Davidson is listed above, not here.

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