Subcategories
Active filters
Complete upgrade includes cylinders, pistons, rings and gaskets. Made in USA. Professional installation required.
Fiberglass-wrapped, non-removable 2.25" baffles; engineered for Softail fitments; made in the U.S.A.
Big Bore cylinder kit that delivers strong gains using stock heads. Includes cylinders, pistons, rings and gaskets. Requires a skilled technician for assembly and clearance checks.
Direct replacement for Cruise Drive Harley-Davidson 6-speed. Adds a true 7th gear for improved use of torque and power from 96 ci, 103 ci and 110 ci motors. Drop-in install with included bearings, seals, gaskets and DD7 side cover emblem.
Complete exhaust setup with 1-3/4" headpipes and 220° heat-shield coverage. Removable baffles, hardware and instructions included. Race-quality ceramic finish; made in the U.S.A.
OEM black textured powder-coat with highlighted fins; excellent for stock replacement.
S&S kit with forged pistons, rings, wrist pins, and gaskets. Made in the U.S.A.
- Mufflers welded to head pipes for a secure, integrated build
- One-piece, full-length heat shields resist blueing
- Traditional hot-rod sound with removable baffles
- Mounting hardware included for straightforward installation
- Made in the U.S.A.
Direct-fit big bore kit for improved displacement and performance. Includes cylinders, pistons, rings and gaskets. Professional installation required.