Steel-base, one-piece crankcase vent filters. 50.8 mm (2") diameter; 38.1 mm (1½") height. Available with or without mounting stud.
Engine

Active filters
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.
Adapter that allows mounting aftermarket big-air air cleaner kits to compatible carburetors. Precision billet construction. Not for use with Arlen Ness Big Sucker.
Allows installation of LA Choppers xXx or Baron Big Air Kit to Mikuni or S&S carburetors. Billet aluminum construction. Made in the USA. Not compatible with Arlen Ness Big Sucker air cleaners.
High-quality neck post bearing for reliable steering and long-lasting performance.
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.