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S&S Cycle - 106-1020 - Complete Gasket Kit - 4" - EVO Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased...

S&S Cycle - 90-1914 - Top End Gasket - 4.125"FeaturesIncludes 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...

S&S Cycle - 90-4097 - Rocker Box Gasket KitFeaturesIncludes all required gaskets and O-rings for both rocker boxesSpecs

S&S Cycle - 90-9510 - Top End Gasket Kit - 4-1/8" - Big TwinFeaturesContains the best quality gasketsMade in the USATop-end gasket kit do not include rocker box gaskets; must be purchased separately...

S&S Cycle - 900-0798 - Top Mount - T143 Features Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super Stock™ T2...

S&S Cycle - 90-1906 - Gasket Set - 3.625" - V2 Big TwinFeaturesContains head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker...

S&S Cycle - 90-1905 - Gasket Set - 3.5" - V2 Big TwinFeaturesContains head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker...

S&S Cycle - 900-0797 - Top Mount - T143 Features Fits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two-bolt exhaust flanges. Super Stock™ T2...

S&S Cycle - 50-8091 - Check Valve BallFeaturesOil Pump Check Ball for Harley Davidson modelsSpecsProduct Name

S&S Cycle - 31-6278 - Oil Pump Rebuild Kit - StandardFeaturesMaster rebuild kit for S&S oil pumpMade in the U.S.A.Specs

S&S Cycle - 50-8113 - Elbow - 45  - 1/4"-18 NPTF x .375"Features45  pipe fitting for oil and breather line connectionsUsed on big twin crankcase flywheel cavity breather lineSpecs

S&S Cycle - 31-6296 - Oil Pump with Gears - Standard Cover - Big TwinFeaturesKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft...

S&S Cycle - 31-6295 - Oil Pump with Gears - Universal Cover - Big TwinFeaturesKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft...

S&S Cycle - 31-6275 - Oil Pump Rebuild KitFeaturesMaster rebuild kit for S&S oil pumpMade in the U.S.A.Specs

S&S Cycle - 33-4249 - Breather Gear Spacing Shim Kit - Big TwinFeaturesShim kit includes one of each thickness: 0.100\Made in the USASpecs

S&S Cycle - 31-6205 - Oil Pump - Universal CoverFeaturesKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft with keys and snap...

S&S Cycle - 33-4242 - Breather Gear - +.03"FeaturesAll-steel constructionWelded-in screenHigher flow than stockElongated breather pocket scavenge hole for increased suctionSpecs

S&S Cycle - 33-4241 - Breather Gear - Big TwinFeaturesAll-steel constructionWelded-in screenHigher flow than stockElongated breather pocket scavenge hole for increased suctionSpecs

S&S Cycle - 310-0641 - TC3 Oil Pump - Twin CamFeaturesThree stages for consistent pressure and reliable scavengingSeparate scavenge sections for flywheel cavity and cam chest (no interface)Screens...

S&S Cycle - 310-0731 - Oil Pump with Cam PlateFeaturesPrecision CNC machined forged aluminumIncreased structural strengthDimensional stabilityFreedom for internal porositySeparate scavenge sections...

S&S Cycle - 310-0732 - Oil Pump with Cam - Plate Twin CamFeaturesPrecision CNC machined forged aluminumIncreased structural strengthDimensional stabilityFreedom for internal porositySeparate scavenge...

S&S Cycle - 31-6018 - Oil Pump Relief SpringFeaturesThis premium quality, steel-alloy oil pump pressure relief spring actually increases engine oil pressure by 2-3 psi, and does not interfere with...

S&S Cycle - 910-0847 - 132" Big Bore Cylinder Kit - Black Granite/Highlighted Fins - For 114"/117" Engine - M8FeaturesBolt-on without requiring machining of the crankcaseOriginal engine serial...

Revolution Performance, Llc - RP201-411W - Cylinder Kit - 90" - Black with Highlighted Fins - XLFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide...

Revolution Performance, Llc - RP201-405W - Cylinder Kit - 1250 cc - Big Bore - Black with Highlighted Fins - XL1200Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-406W - Cylinder Kit - 1250 cc - Big Bore - Black - XL1200Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...

Revolution Performance, Llc - RP201-404W - Cylinder Kit - 1250 cc - Big Bore - Natural Silver - XL1200Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-616W - Cylinder Kit - 143" - Black with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-611W - Cylinder Kit - 139" - Black with Highlighted Fins - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-129W - Cylinder Kit - 131" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-130W - Cylinder Kit - 124" - Granite - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...

Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-172WB - Cylinder Kit - 117" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-171WG - Cylinder Kit - 117" - Granite with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-171W - Cylinder Kit - 117" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-608W - Cylinder Kit - 128" - Big Bore - Black - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide...

Revolution Performance, Llc - RP201-603W - Cylinder Kit - 124" - Big Bore - Black - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...

Revolution Performance, Llc - RP201-607W - Cylinder Kit - 128" - Big Bore - Black Granite with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder...

Revolution Performance, Llc - RP201-606W - Cylinder Kit - 128" - Big Bore - Black with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...

Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with...