Engine

Active filters
High-strength forged piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.
High-strength piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.
High-strength forged piston kit with premium wrist pins, carbon steel wire locks, and sealed rings for durable performance.
Precision-machined tubeless valve with self-sealing hex cap; anchor nut, thrust washer and rubber seal included. May require drill enlargement for Lester™ mags.
Great for ATVs and other tight applications.
Tubeless valve stem with full-length threading and lock nut for secure fit and reliable air retention.
Compact oil cooler kit with AN #6 fittings, supplied clamps and reducers, and precision-machined components for durable, easy installation.
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.
Complete oil cooler kit with AN #6 fittings and frame-mount clamps.
CNC-machined billet aluminum construction for precise fit.
Custom aluminum cover with ball-milled finish. Sold individually.
Polished chrome billet inspection cover in ball-end milled or smooth style; includes chrome hardware. Sold each.
Billet-style inspection cover with included mounting hardware. Sold individually.