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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.
132" high-compression kit fits 114"/117" motors with 4-1/2" stroke flywheels; 136" requires a 4-5/8" S&S flywheel (sold separately).
Die-cast aluminum cam cover; bushings installed to OEM specs. Includes oil seal, mounting hardware and gasket.
132" high-compression kit fits 114"/117" motors with a 4-1/2" stroke flywheel only. 136" big-bore requires an S&S 4-5/8" stroke flywheel (sold separately).
Die-cast construction with a detailed eagle, banner and script; low-profile fit and easy installation.
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.
Die-cast aluminum points cover featuring a detailed eagle with banner and script. Easy to install and ideal for vintage styling.
Premium gasket pack offering multiple gasket types and advanced sealing technologies for reliable, fuel-resistant performance.
Premium rocker gasket made from fuel-resistant materials with a stainless steel core and Viton coating for lasting seal performance.