Engine
Active filters
Direct bolt-on protector for stock HD frames; no cutting or welding. Mounting hardware included. Made in the U.S.A.
- Hand-made construction for underframe protection
- Bolts to stock HD frame — no cutting or welding
- Mounting hardware included
- Made in the U.S.A.
- Hand-crafted protection plate for bolt-on installation
- Bolt up to stock HD frame; no cutting or welding
- Mounting hardware included
- Made in the United States
- Hand-made construction
- Bolt-up installation to stock HD frame; no cutting or welding
- Mounting hardware included; ready to install
Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.
ArmorX™ coating for reduced wear and ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the USA.
Forged pistons with generous valve pockets for big valves and cams.
Includes rings, piston pins and circlips for two pistons.
Force-fed pin oiling and a pressure-seal groove enhance sealing and durability.
Forged piston kit with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.
Forged piston kit with ArmorGlide™ skirts, rings, retainer clips, and chrome piston pins; Twin Cam ArmorPlating for added protection. Made in USA.
Replacement ring set for one piston; verify piston compatibility before purchase.
Exact-fit wrist pin bushing made in the USA. Oil holes must be drilled after installation.
Progressively wound racing valve springs offering improved fatigue life and consistent high-rpm performance.
Precision-machined nickel bronze construction for excellent wear resistance and heat conductivity.
Compatible with no-lead fuel; accepts various valve-stem materials.
Accepts special valve guide seals (sold separately). Made in USA.
Precision-machined shouldered valve guide for superior wear resistance and efficient heat dissipation.
One-piece stellite-tipped stainless-steel valve with nitrided finish for reduced friction, superior wear resistance, and improved flow. Made in the USA.