Pre-Evo – Engine & Gaskets

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

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

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

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

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...

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

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...

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...

DescriptionOil Pump Relief Valve SpringThis premium quality, steel-alloy oil pump pressure relief spring actually increases engine oil pressure by ...

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...

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...

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

Description96" Big Bore KitCylinders are constructed from premium aluminium castings with cast-in iron linersKits include cylinders, pistons, rings...

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

DescriptionReplacement Cylinder & Piston for S&S 106" Stroker KitOnly for 88" motorsCan be used to repair an existing 106" stroker engineKi...

Description79 cc Super Stock® Cylinder HeadHeads are fully assembled with springs and valvesWorks great with 88" to 103" stock motors, but are idea...

DescriptionReplacement Electric Compression Release AssemblyElectric compression releases open when you press the start button and close when the b...

DescriptionSuper Stock® Cylinder Head KitHeads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars...

Description79 cc Super Stock® Cylinder HeadHeads are fully assembled with springs and valvesWorks great with 88" to 103" stock motors, but are idea...

Description79 cc Super Stock® Cylinder HeadHeads are fully assembled with springs and valvesWorks great with 88" to 103" stock motors, but are idea...

DescriptionSuper Stock® Cylinder Head KitHeads come completely assembled with valve seats, valves, guides, seals, .590" lift valve springs, collars...