Active filters
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.
Complete two-piston kit with precision-fit rings and enhanced pin oiling for dependable sealing and long life.
Easy-to-assemble, high-quality fitting for reliable connections.
Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.
Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips for a complete install.
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.
Power band for modified engines; bolt-in for stock 96", 103" and 110" engines. Smooth cam-lobe design. Made in the USA.
Direct-fit oil cooler cover that installs like the stock factory cover for a quick bolt-on upgrade.
Complete kit with roller bearings, ARP® bolts, gaskets and hardware to install bolt-in and high-lift camshafts.