Engine

Active filters
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.
Compact crankcase vent filter for reliable ventilation and easy installation.
Direct replacement for the stock cam cover. Includes hardware and gasket. Vision window with polycarbonate lens. Multiple finish options. Made in the U.S.A.