Engine

Active filters
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.
Replacement rings sold as a set for one piston. Verify piston compatibility before purchase.
OEM-style replacement plug for oil pump openings. Made in the USA.
Hard-to-find 1/4"-24 hex fasteners, six-pack; OEM-style complete set with studs and fasteners.
Includes 1/4"-24 hex nuts in a six-pack and an OEM-style complete assembly with studs and nuts for proper fit.
OEM-style kit includes studs, nuts and a six-pack of hard-to-find 1/4"-24 hex nuts for oil pump mounting.
Replacement piston rings for one piston. Fits Wiseco pistons only.
Replacement rings for a single piston; fit only matching pistons from the same manufacturer.
Aircraft-grade aluminum tubing with heat-treated steel tips. Fits stock stroke lengths. Made in the U.S.A.