Easy-start camshaft kit for Big Twin engines; optimized for Softail and Dyna, bolt-in and made in the USA.
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3.5-inch piston set for engine rebuilds; precision-machined for reliable sealing and durability.
Complete kit with forged pistons, rings, wrist pins and clips. Made in the U.S.A.
Complete piston kit with pistons, rings, wrist pins and clips for a complete motor replacement. Made in the U.S.A.
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.
Compact automatic thermal switch. Normally open; activates 12V accessories at preset temperature. NPT 1/8" probe, easy wire connections, made in USA.
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.
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.
Reduces oil temperatures using engine temperature and vehicle speed. Quick 15-minute install; no oil cooler removal. Plug-n-play on M8 models with compatible ECM. Made in the USA.