Engine

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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.
Bolt-on performance kit with bolt-in cams and premium tappets. Easy installation with no machining or rebalancing. Uses stock heads, pushrods, and fuel system.
Complete bolt-on big-bore kit that raises displacement without case machining. Includes cylinders, forged pistons, upgraded oil pump/cam plate, valvetrain hardware, and all gaskets and bearings for installation.
Four-gear set for gear-driven cams; includes secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardware.
May increase valve train noise; oversized and undersized gears available. Made in the U.S.A.
Replacement hose for reliable fluid routing. Durable construction and straightforward installation.
Easy-to-assemble, high quality. Meets 96-hour salt spray testing. Ships complete with sealing ferrule.
Precision-cut gasket base for 74/80" SHVL engines; ensures reliable sealing and fitment.
Gasket base for 3.625" bore applications. Machined, durable construction for consistent sealing.
Precision cam chain tensioner for Twin Cam engines with improved piston stability, thicker wear pad, replaceable shoes, and chain-oiling feature.
Seals CV carburetor to S&S intake manifolds. Allows proper sealing for reliable performance. Made in the USA.