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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).
Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.
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).
Durable forged piston kit with low-friction skirt coating; includes two pistons, rings, pins and circlips, made in the USA.
Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.
Broad midrange power band camshaft with a smooth lobe design. Made in the USA. Performance pushrods, lifters and clutch recommended.
Broad power band for modified and stock 96\", 103\" and 110\" engines.
Smooth cam-lobe design for quiet valvetrain operation.
Made in the USA; performance pushrods, lifters and clutch recommended.
Forged pistons with generous valve pockets for big valves and cams.
Includes rings, piston pins and circlips for two pistons.
Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.
- Complete camshaft installation kit with gaskets, bearings, fasteners, and O-rings.
- Includes quick change gasket kit and hardened washers.
- Precision bearings and ARP® hardware for secure assembly.
- Made in the USA.