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 - 320-0353 - 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 - 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 - 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 - 34-2102 - 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 - 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...

Revolution Performance, Llc - RP301-600 - Piston Kit - Flat-Top - For 139" Monster Big Bore Cylinder Kit - 107" M8Featuresrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with...

Revolution Performance, Llc - RP301-116WD - Piston Kit - Domed - For 107" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...

Revolution Performance, Llc - RP301-116W - Piston Kit - Flat-Top - For 107" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...

Revolution Performance, Llc - RP301-105W - Piston Kit - Flat-Top - For 98" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...

Revolution Performance, Llc - RP301-104W - Piston Kit - Domed - For 98" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...

S&S Cycle - 106-0432 - Piston Kit - For 103" Hot Set Up Kit® - 3.875" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsPiston Head ShapeFlat...

S&S Cycle - 920-0115 - High Compression Piston Kit - +0.010" - 110" Twin Cam CVO MotorFeaturesDeck height is 1.0985"Wristpin diameter is .927"Piston features a 12.5cc raised dome to achieve a compression ratio of 10.6:1Not for twin cooled or '17 touring...

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 - 106-3690 - Piston Kit - For 106" Big Bore Kit - 3.927" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore - OversizeStandardBore Oversize...

S&S Cycle - 106-3688 - Piston Kit - For 97" Big Bore Kit - 3.927" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsPiston MaterialForgedRiding...

S&S Cycle - 106-3491A - Piston Kit for Hot Set Up Kits® - StandardFeaturesPiston kit includes set of forged pistons, rings, wristpins, and clips for a complete motorWill fit up to a 4-5/8" strokeMade in the U.S.A.SpecsBore Oversize - ImperialStandardBore...

S&S Cycle - 920-0114 - High Compression Piston Kit - Standard - 110" Twin Cam CVO MotorFeaturesDeck height is 1.0985"Wristpin diameter is .927"Piston features a 12.5cc raised dome to achieve a compression ratio of 10.6:1Not for twin cooled or '17 touring...

S&S Cycle - 106-3872A - Piston Kit for Hot Set Up Kits® - +.010"FeaturesPiston kit includes set of forged pistons, rings, wristpins, and clips for a complete motorWill fit up to a 4-5/8" strokeMade in the U.S.A.SpecsBore Oversize - Imperial+0...

S&S Cycle - 106-5555 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore Size Imperial3.500''Product...

S&S Cycle - 106-4414 - Piston Kit - For 97" Big Bore Kit - 3.927" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore Oversize - Imperial+0.010''Product...

S&S Cycle - 106-5556 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore - Oversize+0,020''Bore Size...

S&S Cycle - 106-5554 - Piston Kit - For 89" Stroker Kit - 3.500" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore Size Imperial3.500''UnitsKitBore -...

S&S Cycle - 92-20265 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons...

S&S Cycle - 92-2046 - Piston Kit - For 89" Stroker Kits & Super Stock® Heads - 3.500" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore Size...

S&S Cycle - 92-2028 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons...

S&S Cycle - 92-2027 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons...

S&S Cycle - 92-2026 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)Intake manifold, pistons...

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 - 31-4104A - Oil Filter - ChromeFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters to make them easier to remove and installDesigned with...

S&S Cycle - 31-4105 - Oil Filter Mounting Bracket Kit - PolishedFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give additional clearance between the filter body and the...

S&S Cycle - 31-4103A - Oil Filter - BlackFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters to make them easier to remove and installDesigned with a...

S&S Cycle - 106-3884 - Oil Filter Mounting Bracket Kit - ChromeFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give additional clearance between the filter body and the crankcase...

S&S Cycle - 31-4102A - Oil Filter - ChromeFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters to make them easier to remove and installDesigned with...

S&S Cycle - 31-4101A - Oil Filter - BlackFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters to make them easier to remove and installDesigned with a...

S&S Cycle - 31-6510 - Oil Filter Mounting Bracket Kit - PolishedFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give additional clearance between the filter body and the...

S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin CamFeaturesIncreased fin area for better heat dissipationIncrease bore size from 3.750" to 3.927"4.375" stroke, 10.0:1 compression with stock headsEasy installation; no...