Precision tappet for reliable valve operation. Made in the U.S.A.
High-capacity hydraulic tappets developed for increased load, lubrication and service life; billet body and wider rollers.
Precision-machined hydraulic tappet assemblies that eliminate valve-train noise and provide reliable, maintenance-free operation.
4340 chromoly pushrods with solid adjustable tappets for aggressive cam profiles and high RPM; made in the U.S.A.
Short-travel hydraulic lifters that reduce valve float and oil aeration to improve high-RPM stability and quiet operation. Spin-Tron dyno developed and track proven.
Includes eight long studs, two short studs and one top motor mount stud. One kit required per head.
Fully assembled 79 cc Super Stock® cylinder heads — large valves, high port flow; fits 88"–103" motors, ideal up to 110".
Fully assembled replacement head optimized for smaller displacement engines. Intake manifold and gasket kits sold separately.
Fully assembled heads for '06–'16 stock crankcases. Large intake and exhaust valves, high-flow ports, and S&S® valve springs supporting up to 0.650" lift. Suited for touring and heavier bikes; check compatibility for models with compression releases.