Engine

Active filters
Includes mounting screws. Easy bolt-on installation. Made in the USA.
- Protects internal timing components
- Includes mounting screws for installation
- Available in plated or anodized finishes
- Made in the USA
- Includes mounting screws
- Chrome-plated or anodized billet aluminum finish
- Made in the USA
Precision-milled timing cover. Includes mounting screws. Chrome-plated or anodized billet aluminum finish. Made in the USA.
Precision-milled ignition cover; direct replacement for Harley-Davidson® models from 2017 with Millwaukee-Eight (M8) engines (107, 114 & 117).
High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.
Four-piece triple tree bolt set: two for the upper clamp and two for the lower clamp. Direct replacements for original zinc-plated bolts; uncoated to prevent flaking during tightening.
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.
Cult-Werk triple tree bolt kit in black for Harley-Davidson Sportster ® models.