Engine

Stock-height long-block replacement for Evolution engines. Includes performance heads, pistons, valve springs and a 508 camshaft. EFI compatible; fuel/ignition sold separately.
Durable retention plate for gear-drive cam systems. Recommended for use with gear-drive cams. Made in the U.S.A.
Carbureted V80 assembled engine that fits stock '84–'99 Evolution Big Twin frames; upgraded S&S carburetor, cam, heads, and single-fire ignition.
Computer-designed cam set made from alloy steel billets with heat-treated finish; made in the USA. Installer must verify clearances prior to installation.
Computer-designed alloy steel cam set, heat treated and made in the USA. Installer must verify coil bind and valve clearances.
Upgrades '99-'06 Twin Cam engines (except '06 Dyna Glide) to roller-style cam chains and replaces spring-tension adjusters with hydraulic adjusters. Requires '07-'17 cam plate, oil pump, cam sprockets, chains and both hydraulic adjusters (sold separately). Made in the USA.
34-tooth roller conversion cam sprocket for Twin Cam conversion chain-driven cams. Trigger ring required for 1999–2001 engines; 2002–2006 engines compatible with stock rear cam drive sprocket. Made in USA.
Computer-designed alloy-steel cams with heat treatment; made in USA. Four-gear set required. Installer must verify coil bind and clearances.
Precision cam shims for accurate valve adjustment. Made in the U.S.A.
Increases pressure relief valve pop-off psi. Spring alone provides the correct spring rate to control pop-off pressure and oil flow in the bypass port. Made in the United States.