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.
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.
Transparent cam cover designed to match Assault series air cleaners. Made in the USA.
Replacement rings sold as a set for one piston. Verify piston compatibility before purchase.
Easy-install head bolt covers; includes Schrader valve cap. Sold as a set of four.
Replacement piston rings for one piston. Fits Wiseco pistons only.
Replacement rings for a single piston; fit only matching pistons from the same manufacturer.
Forged piston kit with complete X-ring package and installation hardware. Made in the USA.