Direct-fit big bore kit for improved displacement and performance. Includes cylinders, pistons, rings and gaskets. Professional installation required.
Subcategories
Active filters
Adjustable ISO foot pegs that clamp to round tubing for customizable rider comfort.
Stepped headers into a reverse-cone megaphone muffler with removable spiral-core baffle. 12" muffler length; heat shields and mounting hardware included.
Stepped-header 2:1 megaphone exhaust with removable spiral-core baffle, heat shields, and mounting hardware included.
Bolt-on cylinder kit with all gaskets and hardware included; preserves stock engine height and includes a cam cover badge.
Longhorn dually with Trident pegs and Magnum Quick Clamps. Combines popular highway peg components for long-haul comfort. Fully adjustable; installs on engine guards.
Adjustable clamp-on cruise peg mounts that provide multiple foot positions and quick installation; ideal for Touring and FLSTC models.
Stepped headers merge into a reverse-cone megaphone muffler with a removable spiral-core louvered baffle. Heat shields and mounting hardware included.
- Engineered for tuned, high-horsepower motors
- Unique extended inner collector for improved performance
- 4" straight-style muffler with 2-1/2" x 16-1/2" baffle
- Oxygen sensor port plugs included
- Made in the U.S.A.