Engine

Active filters
Compact universal fitting for joining flare and threaded connections. Easy install and durable performance.
Quick installation, clean classic look, durable finish, secures the factory component in place.
Designed for twin plug heads. Accepts .650"/10mm x 1.0 compression release valves. Sold each.
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.
Adjustable front stabilizer link for HD Touring frames with reverse-thread rod end and ARP stainless bolts; available in black anodized, gold anodized, or machined finish. Made in the USA.
Precision-machined tubeless valve with self-sealing hex cap; anchor nut, thrust washer and rubber seal included. May require drill enlargement for Lester™ mags.