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.
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.
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.
Adapter that allows mounting aftermarket big-air air cleaner kits to compatible carburetors. Precision billet construction. Not for use with Arlen Ness Big Sucker.
Heavy-duty replacement seals for the Harley-Davidson TSM connector to maintain a watertight connection.