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.
- Indexes spark plug electrode gap toward intake valve
- Includes five 0.40" thick, five 0.50" thick, and five 0.60" thick washers
- Made in the USA
Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.
Mounts Twin Cam 88 "A" motor into Evolution-style Softail or Rigid frames. Made in the USA.
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.
Protects the oil sending unit sensor and connector; precision-machined for a snug, low-profile fit. Made in the USA.