Active filters
Fits 1966–1984 Big Twin engines (except 1980–1981). Increases mid-range and top-end power; idle is unaffected. Check spring travel and clearances on 1980+ models.
Bolts into 1966–1984 Big Twin engines (except 1980–1981); increases mid- and high-rpm power while preserving idle.
Great street cam for 84–88-inch strokers; upgraded from the #6 grind with strong torque from 2,200–6,500 rpm.
High-quality heat-treated cam drive component, made in the U.S.A.; recommended for professional installation.
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.