Precision cam shims for accurate valve adjustment. Made in the U.S.A.
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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.
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.
Complete kit to convert 114" or 117" oil-cooled M8 engines to 132" displacement while retaining stock height and serial numbers. Includes adjustable pressure relief valve, S&S valve springs, big-bore cylinders, MLS head gaskets and a performance-matched 550 cam.
Easy-to-assemble, high-quality fitting for reliable connections.
Complete primary gasket kit for inner and outer primary assemblies. Aluminum-core gaskets with a nitrile outer layer resist temperatures above 205°F and offer about 85% shape recovery. Made in the USA. No gasket sealer required.
Premium gasket pack offering multiple gasket types and advanced sealing technologies for reliable, fuel-resistant performance.