Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.
Engine
Active filters
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.
- Premium Beehive® springs for high-lift, steep-ramped cams.
- Allows up to 0.750" lift; dyno proven and track tested.
- Kit includes lightweight titanium retainers, chromoly seats, shims, locks and Viton® seals; made in USA.
High Load Beehive® valve spring kit engineered for extreme fatigue life and high-lift camshafts; allows up to 0.750" lift.
High-temperature resistant seals with a spring-loaded wiper for low-friction oil control. Made in the USA.
High-quality Viton® valve guide seals with spring-loaded wiper; made in the USA.
Direct bolt‑in Endurance Beehive® valve spring kit; up to 0.565" lift, includes seals, seats, shims and locks; fits 6.00 mm valve stems.
High Load Beehive® spring kit for V-Twin performance. Direct bolt-in up to 0.565" lift. Recommended for +0.540" lift camshafts. Includes retainers, seats, shims, locks and Viton® seals.
- Heat-treated chromoly ovate wire springs.
- Hand measured and labeled for coil bind and open height.
- Lightweight 7° steel or titanium retainers reduce valve weight.
- Includes seats, shims, locks and Viton® seals with stem wipers.
- Direct replacement for specified Harley-Davidson cams; up to 0.585" lift.
High-quality machined valve locks that secure the valve retainer to the valve stem and prevent valve drop.
Precision-adjustable pushrods that improve valve-train stability and support high-lift cams and strong spring pressures.
One-piece, fixed-length pushrods engineered to reduce valvetrain harmonics and lifter issues; durable, heat-treated, made in the USA.
- Strength and rigidity second only to heavy-duty one-piece pushrods
- Jam nut slides up the pushrod for quick access
- Base loosens into the pushrod to allow Quick Install access
- Individual length exhaust and intake pushrods for precise fit
- Install without removal of rocker covers
- Made in the USA
- Requires pushrod tube kit sold separately
- Correct adjustment requires fully pumped lifters; 7/16"-20 threads, 0.050" per turn