Engine

S&S Cycle - 33-4260 - Breather Gear - +.030"FeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.SpecsUnitsKitFeaturesOversized (+.03'')Product NameGearTypeBreatherRiding StyleStreetFitment1977-1980...

S&S Cycle - 31-0001 - Engine Case - Super Stock® Big Bore - 3.625" - Evolution Big TwinFeatures3.625" big bore cylinder case for any stroke up to and including 5" and most stock length connecting rodsMachined to accept an oil filter assembly that mounts...

S&S Cycle - 31-0005 - Engine Case - Super Stock® - 3.500" - Evolution Big TwinFeatures3.5" stock bore cylinder case for any stroke up to and including 5" and most stock length connecting rodsMachined to accept an oil filter assembly that mounts on the...

S&S Cycle - 33-4145 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.SpecsSize Imperial1.4721'' - 1.4729''UnitsEachRiding StyleStreetTypePinionProduct NameGearFitment1977-1980...

S&S Cycle - 33-4143 - Pinion GearFeaturesHigh-quality pinion gears are carefully machined, heat-treated and then finish groundMade in the U.S.A.SpecsRiding StyleStreetTypePinionUnitsEachSize Imperial1.4737'' - 1.4745''Product NameGearFitment1977-1980...

S&S Cycle - 33-4232 - Oil Pump Drive Gear Features Must be used as a set or with OEM equivalents Made in the U.S.A. Specs Units Each Product Name Drive Gear Riding Style Street Type Oil...

S&S Cycle - 33-4250 - Steel Breather GearFeaturesKit comes with gear and spacerRequire the use of corresponding cam and pinion gearMade in the U.S.A.Replacement Part for OEM Number(s): 2531377,2531377A,2531377BSpecsFeaturesStandardUnitsKitRiding...

S&S Cycle - 33-4230 - Oil Pump Drive Gear 24 ToothFeaturesHardware, check balls, retainers, etc. are available for Big Twin oil pumpsSpecsProduct NameGearRiding StyleStreetTypeOil PumpUnitsEachFitment1973-1980 Harley-Davidson 1200 Electra Glide...

S&S Cycle - 34-7013 - Connecting Rod - EvolutionFeaturesHigh-quality, heavy duty rod sets come complete and ready to installSet includes front and rear rods, crankpin and nuts, steel cages and roller bearingsRods are deep-forged and heat-treated, 0.120"...

S&S Cycle - 90-4049 - Rocker Box Gasket KitFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecsRiding StyleStreetFeaturesFor '84 - '99 Evolution-Style Big TwinProduct NameGasket KitFeatures4-Bolt StyleTypeRocker...

S&S Cycle - 90-4073 - Rocker Box Gasket - Big TwinFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecsRiding StyleStreetFeaturesFor '99 - '06 Big Twin Cam S&S Rocker BoxesProduct NameGasket KitTypeRocker BoxUnitsKitFeatures6-Bolt...

S&S Cycle - 94-1302X - Replacement Piston Rings - 4.000" - +0.020"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsBore Size Imperial4.000''Riding StyleStreetPiston Size Imperial+0...

S&S Cycle - 94-1301X - Replacement Piston Rings - 4.000" - +0.010"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsBore Size Imperial4.000''Product NamePiston RingPiston Size Imperial+0.010''Riding...

S&S Cycle - 94-1211X - Replacement Piston Rings - 3.625" - +0.010"FeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsPiston Size Imperial+0.010''Riding StyleStreetTypeReplacementUnitsSetBore Size...

S&S Cycle - 94-1210X - Replacement Piston Rings - 3.625" - StandardFeaturesReplacement ring sets for S&S pistons onlyRings come as sets for two pistonsMade in the USASpecsTypeReplacementUnitsSetRiding StyleStreetPiston Size ImperialStandardBore Size...

S&S Cycle - 92-1411 - Piston Kit - For 113" Super Sidewinder® - 4.000" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsDisplacement113''Piston Head...

S&S Cycle - 92-1061 - Piston Kit - For 88"/93"/96" Super Stock® Heads - 3.625" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore -...

S&S Cycle - 92-1410 - Piston Kit - For 113" Super Sidewinder® - 4.000" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore - OversizeStandardProduct...

S&S Cycle - 92-1402 - Piston Kit - For 100"/107" Super Sidewinder® - 4.000" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsDisplacement107''Piston Head...

S&S Cycle - 92-1401 - Piston Kit - For 100"/107" Super Sidewinder® - 4.000" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsProduct NamePiston KitBore...

S&S Cycle - 92-1062 - Piston Kit - For 88"/93"/96" Super Stock® Heads - 3.625" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in the U.S.ASpecsBore -...

S&S Cycle - 90-9507 - Top End Gasket Kit - 3.5" - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately.SpecsRiding StyleStreetTypeTop EndUnitsKitProduct...

S&S Cycle - 90-9506 - Top End Gasket Kit - 4-1/8" - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately.SpecsRiding StyleStreetTypeTop EndProduct...

S&S Cycle - 90-9505 - Top End Gasket Kit - 4" Super Stock - Twin CamFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately.SpecsUnitsKitRiding StyleStreetBore Size...

S&S Cycle - 90-9504 - Top End Gasket Kit - 3-7/8" Super Stock - Twin CamFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately.SpecsTypeTop EndProduct NameGasket KitBore...

S&S Cycle - 90-9503 - Top End Gasket Kit - 4" Super Stock - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately.SpecsUnitsKitTypeTop EndRiding...

S&S Cycle - 90-9502 - Top End Gasket - 3-5/8" Super Stock - EVO Big TwinFeaturesIncludes set of head and base gaskets, exhaust gaskets and O-ringsLayered steel head gasketsMade in the U.S.A.Kit does not include rocker box gaskets; must be purchased...

S&S Cycle - 31-6302 - HVHP Oil Pump Kit - UniversalFeaturesHVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supply and return-side of the pumpSupply-side gears are 9% wider than...

S&S Cycle - 31-6300 - HVHP Master Oil Pump Rebuild KitFeaturesMaster repair kit for S&S HVHP oil pumps. Made in the U.S.A.SpecsProduct NameRepair KitTypeOil PumpUnitsEachRiding StyleStreetFitment1995-1998 Harley-Davidson Dyna Convertible FXDS-CONV1992...

S&S Cycle - 31-6299 - HVHP Oil Pump Gasket KitFeaturesMade in the U.S.A.SpecsTypeOil PumpUnitsKitRiding StyleStreetProduct NameGasketFitment1995-1998 Harley-Davidson Dyna Convertible FXDS-CONV1992 Harley-Davidson Dyna Daytona FXDB1992 Harley-Davidson...

S&S Cycle - 31-6298 - HVHP Oil Pump Cover Kit - StandardFeaturesHVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supply and return-side of the pumpSupply-side gears are 9% wider than...

S&S Cycle - 31-6209 - HVHP Oil Pump Cover - StandardFeaturesHVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supply and return-side of the pumpSupply-side gears are 9% wider than...

S&S Cycle - 31-6208 - HVHP Oil Pump Cover - UniversalFeaturesHVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supply and return-side of the pumpSupply-side gears are 9% wider than...

S&S Cycle - 31-2067 - Lower End Gasket Kit - Super Stock - EVO Big TwinFeaturesContain the best quality gaskets availableMade in the U.S.A.SpecsRiding StyleStreetTypeLower EndUnitsKitProduct NameGasket KitFitment1995-1999 Harley-Davidson Dyna Convertible...

S&S Cycle - 31-2066 - Lower End Gasket Kit - Super Stock - Big TwinFeaturesContain the best quality gaskets availableMade in the U.S.A.SpecsRiding StyleStreetTypeLower EndUnitsKitProduct NameGasket KitFeaturesFor S&S Super Stock '70 - '91 Big...

S&S Cycle - 33-5179 - Camshaft Kit - 585G - Gear Drive -Twin CamFeaturesDesigned for 88/96/103/110 cubic-inch engines with compression ratios from 10.0:1 to 10.5:1Reverses the rear cam's direction of rotation, providing additional operating clearance...

S&S Cycle - 33-5180 - Camshaft Kit - 625G - Gear Drive - Twin CamFeaturesFor 95/96/103 and 110 cubic inch engines with compression ratios from 10.0 to 10.75:1Strongest from 3000-6000 rpmIncrease valve timing accuracy by eliminating timing chain lash and...

S&S Cycle - 33-5177 - Camshaft Kit - 510G Gear Drive - Twin CamFeaturesCams designed as bolt-in cam for 88\Kit includes camshafts with inner gears, outer cam drive gear kit and camshaft installation kit: gearcover gasket, bearings, oil passage block off...

S&S Cycle - 33-5178 - Camshaft Kit - 570G Gear Drive - Twin CamFeaturesDesigned for 88" to 103" CID engines with compression ratios between 9:1 and 10:1Strongest from 3200-3700 rpmIncreases valve timing accuracy by eliminating timing chain lash and...

Rsd - 0177-2003-BM - Cam Cover - Clarity - Contrast Cut™ - Twin CamFeaturesAllows for viewing of the internal moving engine componentsCNC-machined from billet aluminumHardware includedContrast Cut starts with a polished surface that is black anodized...