Harley Davidson Parts

S&S Cycle - 320-0402 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies are designed for use with Timken bearing...

S&S Cycle - 320-0454 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or motors with factory 95" kits require piston kit only;...

S&S Cycle - 320-0460 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or motors with factory 95" kits require piston kit only;...

S&S Cycle - 320-0403 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies are designed for use with Timken bearing...

S&S Cycle - 320-0353 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies are designed for use with Timken bearing...

S&S Cycle - 34-2103 - Crankpin - Big TwinFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsMaterialSteelProduct NameCrankpin AssemblyTypeOversizedUnitsEachRiding StyleStreetFitment1983 Harley-Davidson Disc Glide FXDG1984 Harley-Davidson Disc...

S&S Cycle - 310-1326 - Crankcase - MK-Series "B" - Black - M8 SoftailFeaturesStock deck heightLarge volume sumpMachined, close-fitting oil scraper (stock is as cast)A solid foundation for building a big-bore engineMade in the USAIncludes Manufacturers...

S&S Cycle - 32-2239 - Flywheel Assembly - Big TwinFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6  large diameter tapered sprocket shaft that provides more contact area for...

S&S Cycle - 320-0361 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies are designed for use with Timken bearing...

S&S Cycle - 33-2004 - Motor Sprocket Shaft Assembly - Big TwinFeaturesIncludes tapered shaft, nut and keysFor use with standard diameter bearingMade in the U.S.A.SpecsUnitsEachProduct NameSprocket Shaft AssemblyRiding StyleStreetFitment1970-1980...

S&S Cycle - 33-2027 - Pinion Shaft - Big TwinFeaturesFor use with standard bearing diameterMade in the U.S.A.SpecsMaterialSteelRiding StyleStreetProduct NamePinion Shaft AssemblyUnitsEachFitment1983 Harley-Davidson Disc Glide FXDG1984 Harley-Davidson...

S&S Cycle - 34-2602 - Crankpin - XLFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsProduct NameCrankshaft AssemblyTypeStandardUnitsEachMaterialSteelRiding StyleStreetFitment1996-1999 Harley-Davidson 1200 Custom XLC1996-1999 Harley-Davidson...

S&S Cycle - 34-2102 - Crankpin - Big TwinFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsProduct NameCrankpin AssemblyTypeStandardRiding StyleStreetMaterialSteelUnitsEachFitment1983 Harley-Davidson Disc Glide FXDG1984 Harley-Davidson Disc...

S&S Cycle - 310-1170 - Engine Case - MK-Series - Performance Replacement - M8 TouringFeaturesStock deck heightLarge volume sumpFits stock touring frameDesigned to accept larger boresAccepts all OEM style componentsReinforced case prevents cracking in...

S&S Cycle - 31-0047 - Engine Case - +4.000" Bore - Special Application - Evolution Big TwinFeaturesDesigned for high performance engines with cylinder bores 4.000\Cam chest is moved outward 0.250" to allow crankcases to handle large cylinder bore...

S&S Cycle - 920-0100 - Big Bore Forged Piston Kit - 3.937" Bore - 107" Twin Cam - StandardFeaturesPistons are compatible with stock rods with tapered wristpin endsStock cylinders may be bored to accommodate larger pistonBore cylinders to nominal diameter...

S&S Cycle - 920-0101 - Big Bore Forged Piston Kit - 3.937" Bore - 98" Twin Cam - StandardFeaturesPistons are compatible with stock rods with tapered wristpin endsStock cylinders may be bored to accommodate larger pistonBore cylinders to nominal diameter...

S&S Cycle - 920-0071 - Piston Kit - 1250cc Big Bore - XLFeaturesPiston kit includes forged pistons, rings, wrist pin and clips for a complete motorDeck height is 1.207"Made in the USAThis kit is not compatible with XR1200 or RH Sportster.883 models...

S&S Cycle - 920-0070 - Piston Kit - 1250cc Big Bore - XLFeaturesPiston kit includes forged pistons, rings, wrist pin and clips for a complete motorDeck height is 1.207"Made in the USAThis kit is not compatible with XR1200 or RH Sportster.883 models...

S&S Cycle - 92-2017 - Piston Kit - for S&S Super Stock® Cylinder Heads - XL 1200 - +.010FeaturesPiston kit includes forged pistons, rings, wrist pins, and clips for a complete motor1.1875" deck heightFor 1200 only with super stock heads.SpecsBore -...

S&S Cycle - 310-1227 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and oil...

S&S Cycle - 310-1228 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and...

S&S Cycle - 310-1238 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in the...

S&S Cycle - 310-1232 - 132" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in the...

S&S Cycle - 310-1236 - 132" Power Package Engine Performance Kit - Gear Drive - Water Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" water-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1234 - 132" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1230 - 132" Power Package Engine Performance Kit - Gear Drive - Water Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" water-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1224 - 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and oil...

S&S Cycle - 310-1237 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in the...

S&S Cycle - 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and...

S&S Cycle - 310-1231 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in the...

S&S Cycle - 310-1235 - 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" water-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1225 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and oil...

S&S Cycle - 310-1233 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1223 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining requiredBig bore cylinders come with matching cam, cam plate and oil...

S&S Cycle - 310-1229 - 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8FeaturesTransform the 114" or the 117" water-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...

S&S Cycle - 310-1107B - 128" Power Package Engine Performance Kit - Chain DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...

S&S Cycle - 310-1108A - 128" Power Package Engine Performance Kit - Gear DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...

S&S Cycle - 310-1101B - 128" Power Package Engine Performance Kit - Chain DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...

S&S Cycle - 310-1102A - 128" Power Package Engine Performance Kit - Gear Drive Features Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required 4-1/4" bore cylinders with 11:1 forged pistons S&S...