Precision-machined replacement set for stock-style crankcases; sold in pairs; made in the U.S.A.
For S&S® Super Stock® Heads only. Kit includes pistons, rings, wrist pins, and circlips. Made in the USA.
Fully-brazed universal oil cooler ideal for custom and race use. Mounting hardware sold separately.
Fully-brazed, high-performance oil cooler ideal for custom and race applications. Mounting hardware sold separately.
High-quality oil cooler ideal for custom builds, fabrication, and racing. Mounting hardware sold separately.
Temporarily reduces crank compression for easier starts, bolt-in kit that increases power from 3200–5700 rpm; includes camshafts and hardware. Installer must verify clearances. Not for models with OEM compression releases.
Fully-brazed construction for long service life.
Designed for custom installation; mounting hardware sold separately.
Ideal for custom, fabrication, and racing applications.
Proven Jagg oil cooler ideal for builders and racers. Fully-brazed construction; mounting hardware sold separately.
Easy-start camshaft kit for select 88–124 CID engines. Bolt-in installation; includes required hardware. Installer must verify clearances.
Eases cold starts by reducing starting compression; bolt-in kit with all required hardware. Not for models with OEM compression releases.
Forged piston kit for stock Big Twin motors; includes pistons, rings, wristpins, and clips. Made in the U.S.A.
Forged pistons for superior strength and durability.
Modern alloys and skirt profiles reduce noise and extend engine life.
Includes pistons, rings, wristpins, and clips.
Automatic valve that bypasses the oil cooler for faster warm-ups and reliable cold-weather performance.