Complete Engines & Rebuild Kits

Large displacement, high flowing S&S heads, and gear driven 640 cam result in large horsepower increase over stock engine124 cubic inch displacement at 10.8:1 compression4-1/8" bore X 4-5/8" stroke1.671" diameter crankpin927" wristpinPiston cooling...

Huge Power increase over stock engine124 cubic inch displacement4 1/8" Bore4 5/8" Stroke640 Cam1.671" diameter Crankpin927" WristpinPiston Cooling JetsS&S Forged Pistons10.8:1 CompressionS&S 3 Piece FlywheelHVHP Oil PumpElectric Compression ReleasesS&S...

Super stock heads and crankcaseS&S easy start camsHigh-flow oil pumpForged flattop pistonsIntake system not included; compatible with stock or aftermarket intake systems4-1/8 bore x 4-1/8 stroke9.8:1 compression ratioWrinkle black finishCylinder heads on...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Super stock heads and crankcaseS&S easy start camsHigh-flow oil pumpForged flattop pistonsIntake system not included; compatible with stock or aftermarket intake systems4-1/8 bore x 4-1/8 stroke9.8:1 compression ratioWrinkle black finishCylinder heads on...

Stock-height basic engine is direct bolt in replacement for aging 80" H-D Evolution enginesDoes not include carb or ignition; use stock or aftermarket carburetor and air cleaner508 camForged rocker arms585 valve springsFlat top cast pistonsS&S standard...

+30% increase in HP and torque over stockShort stroke for less vibration and longer engine lifeShorter than stock engine height for easy installationDoes not include carb or ignition; use stock or aftermarket carburetor and air cleanerHigh volume,...

+30% increase in HP and torque over stockShort stroke for less vibration and longer engine lifeShorter than stock engine height for easy installationDoes not include carb or ignition; use stock or aftermarket carburetor and air cleanerHigh volume,...

Stock-height basic engine is direct bolt in replacement for aging 80" H-D Evolution enginesDoes not include carb or ignition; use stock or aftermarket carburetor and air cleaner508 camForged rocker arms585 valve springsFlat top cast pistonsS&S standard...

The S&S Hot Setup kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcasesIncludes S&S 4-1/8" bore pistons, big bore cylinders finished in wrinkle black powder coat, a dynamically balanced 4-5/8" stroke three...

The S&S Hot Setup kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcasesIncludes 4.125" bore cylinders and forged dished pistons, S&S 4.625" stroke flywheel assembly, S&S .640" lift chain-drive Easy Start...

The S&S Hot Setup kit for Twin Cams allows a Twin Cam owner to convert a stock engine to 124" using the stock crankcasesIncludes S&S 4-1/8" bore pistons, big bore cylinders finished in wrinkle black powder coat, a dynamically balanced 4-5/8" stroke three...