Sportster – Engine & Gaskets

DescriptionBig Bore Cylinder KitBig Bore kit yields excellent results with stock cylinder headsEasy installation no need to bore or split existing ...

DescriptionBig Bore Cylinder KitBig Bore kit yields excellent results with stock cylinder headsEasy installation no need to bore or split existing ...

DescriptionBig Bore Cylinder KitBig Bore kit yields excellent results with stock cylinder headsEasy installation no need to bore or split existing ...

DescriptionStock Bore 80" Cylinder and Standard Compression Piston KitIntended to replace the cylinders and pistons of a 80" Shovelhead engine and ...

DescriptionFitting45° pipe fitting for oil and breather line connectionsUsed on big twin crankcase flywheel cavity breather lineSpecifications Uni...

DescriptionBore Cylinder and Stroker Piston KitCylinder and piston kit can be used to build 84", 86" or 88" stroker engines, or to replace the cyli...

DescriptionBolt-In Sidewinder® 4" Big Bore KitsBolt in - no machining, balancing or splitting the crankcases; install can be performed with engine ...

Description3-5/8" Big Bore Cylinder and Piston KitCylinder and piston kit can be used to build an 88" engine, or to replace the cylinders and pisto...

DescriptionBreather GearAll-steel constructionWelded-in-screenHigher flow than stockElongated breather pocket scavenge hole for increased suctionMa...

DescriptionTC3 Oil Pump and Cam Support Plate KitPrecision CNC machined forged aluminiumIncreased structural strengthDimensional stabilityFreedom f...

DescriptionBillet Oil Pump Rebuild KitMaster rebuild kit for S&S oil pumpMade in the U.S.A.Specifications Type: Oil Pump Product Name: Rebuil...

DescriptionPinion Gear NutReplacement for stock pinion gear nutSpecifications Material: Steel Product Name: Nut Type: Pinion Gear Units: Each P...

DescriptionOil Pump Drive ShaftOil pump drive shaft for Big Twin modelsSpecifications Product Name: Shaft Units: Each Type: Oil Pump Riding Sty...

DescriptionTC3 Oil PumpThree stages for consistent pressure and reliable scavengingSeparate scavenge sections for flywheel cavity and cam chest (no...

DescriptionTC3 Oil Pump and Cam Support Plate KitPrecision CNC machined forged aluminiumIncreased structural strengthDimensional stabilityFreedom f...

DescriptionOil Pump Check BallOil Pump Check Ball for Harley Davidson modelsSpecifications Type: Check Valve Product Name: Ball Riding Style: St...

DescriptionOil Pump Check Valve SpringOil pump check valve spring for Big Twin modelsMade in the USASpecifications Units: Each Riding Style: Stre...

DescriptionBillet Oil Pump Rebuild KitMaster rebuild kit for S&S oil pumpMade in the U.S.A.Specifications Riding Style: Street Units: Kit Ty...

DescriptionT143 Top Engine Mount BracketFits in stock chassis, no cutting or frame modifications necessary. B3 cylinder heads CNC-machined with two...

DescriptionBillet Oil Pump KitKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaf...

DescriptionOil Pump KitHVHP oil pumps have a new gear tooth profile with fewer but larger teeth that provides an increased oil volume for both supp...

DescriptionBillet Oil Pump KitKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaf...

DescriptionBillet Oil Pump KitKit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaf...

DescriptionOil Pump KitKits includes oil pump, standard or universal cover, mounting bolts, supply and return gears, drive shaft with keys and snap...