Bottom End

Start any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without running battery downAllow for easy start by initially reducing crank compression, but once the engine...

Great low and mid-range torqueLower lift allows them to be bolted into stock 96"-106" 2006 engines with stock valve springsStrongest from 1,000-4,500 rpm180 psi cranking compression; no need for compression releasesIncluded Items: (2) Chain drive cams...

Strongest from 3500-6000 rpm

Camshaft gear drive Kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain drive

Camshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit stock chain driveReverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes; as a...

Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain driveReverses the rear cam's direction of rotation, providing additional operating clearance between cam lobes; as a result, higher cam...

Made of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strengthMachined with timing notches compatible with...

Made of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strengthMachined with timing notches compatible with...

Made of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6?? large diameter tapered sprocket shaft that provides more contact area for increased strengthMachined with timing notches compatible with...

Made of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strengthMachined with timing notches compatible with...

Made of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strengthMachined with timing notches compatible with...

S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies are designed for use with Timken bearing conversionFit directly in stock crankcases with no...