Engine
Active filters
High-quality, fuel-resistant cover seal engineered for long-term reliability. Made in the USA.
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.
Precision-cut gasket base for 74/80" SHVL engines; ensures reliable sealing and fitment.
Seals CV carburetor to S&S intake manifolds. Allows proper sealing for reliable performance. Made in the USA.
Comprehensive gasket kit with MLS head gaskets, Viton-coated base gaskets and AFM exhaust seals; made in the USA.
Complete gasket kit with MLS head gaskets, Viton-coated base gaskets, blue Viton valve stem seals, and AFM exhaust gaskets. Made in the USA. Includes motor gaskets plus primary, derby and inspection cover gaskets where applicable.
Complete 132" engine performance kit converts 114"/117" oil-cooled M8 to 132" with big-bore cylinders, performance-matched 550 cam, adjustable relief valve, and serviceable components.