Reduces cranking compression for easier starts; bolt-in kit for 88–124 CID engines; increases power from 3,000 rpm and holds to redline; includes complete hardware; not for OEM compression release models; Made in USA.
Forged piston kit for 74\" big twin motors. Includes pistons, rings, wristpins, and clips. Made in the U.S.A.
Forged piston kit for 80" stock Big Twin motors. Includes pistons, rings, wristpins, and clips. Requires connecting rods with a 7.440" rod length (OEM #24281-74A). Made in the United States.
Forged pistons kit includes pistons, rings, wrist pins, and clips. Wrist pin deck height 1.436". Requires 7.440" connecting rods (OEM #24281-74A). Made in the U.S.A.
Complete camchest overhaul kit that lowers engine and oil temperatures, increases oil pressure and improves smoothness and reliability. Includes high-volume oil pump, Reaper® camshafts, hydraulic roller lifters, Timken® bearings and ARP® fasteners. Fits '07-'17 Twin Cam and '06 Dyna.
Bolt-in camshaft kit for 96–106 CID engines (9:1–9.9:1). Improves low- and midrange torque, strongest at 1,000–4,000 rpm. For '06 Dyna and '07-'17 Twin Cam hydraulic tensioner chain drive systems. Not recommended for 10:1+ compression.
Complete piston kit including pistons, rings, wrist pin and clips. Made in the USA. Not compatible with XR1200 or RH Sportster.
Complete gasket kit for cam changes. Includes gaskets, seals, O-rings and cork washers. Made in the USA.
High-quality replacement gasket for derby cover; fuel-resistant materials for long-term reliability.
High Compression Piston Kit with a 12.5cc raised dome delivering a 10.6:1 compression ratio. Deck height 1.0985", wristpin .927". Not for twin cooled or '17 touring models.
Complete piston kit includes forged pistons, rings, wrist pins and clips for a full motor replacement. Made in the U.S.A.