Engine

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Complete top-end kit with forged pistons, rings, retainer clips and chrome piston pins. Includes X-Ring package; pistons made in the USA.
ArmorX™-coated pistons with ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the U.S.A.
High-performance camshaft that preserves low-end rideability while delivering strong mid and top end power. Requires supporting upgrades and professional tuning.
Complete camshaft installation kit with bearings, ARP bolts, gaskets and seals. Made in the U.S.A.
Forged pistons with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.
Precision machined 6061 billet aluminum points cover that bolts to the factory cam cover; includes stainless button head fasteners.
Broad, smooth power from 1900–6000 RPM; bolt-in fit for stock to mid 96" and 103" engines.
Fierce torque band and horsepower gains for large and small displacements.
Works from 2200–6250 rpm on large engines and 2500–6800 rpm on smaller high-revving builds.
Requires high-performance valve springs, pushrods, lifters, fueling work, and upgraded exhaust/intake/clutch.