Active filters
Valve spring kit designed to match stock pressures and work with stock cam profiles. Retainers and keepers modeled with FEA; springs wound from heat-treated chrome silicon wire. Made in the USA.
Precision heat-treated steel collars that improve retainer-to-seal clearance and valve guide alignment. Made in the USA.
Nitrided, Stellite‑tipped one-piece design for reduced wear and improved flow; compatible with leaded and unleaded fuels.
Nitrided one-piece stainless-steel valve with stellite tip for superior wear resistance, reduced friction, and excellent corrosion protection.
Precision-machined nickel bronze valve guide offering excellent wear resistance and heat conductivity. Compatible with unleaded fuel; special seals sold separately.
Precision-machined shouldered cast iron valve guide compatible with no-lead fuel; accepts various valve-stem materials and special seals (sold separately). Made in the USA.
Precision-machined C630 bronze valve guide. Compatible with unleaded fuel; accepts special seals (sold separately). Made in USA.
Precision-machined shouldered cast iron valve guide. Accepts any valve-stem material and special seals (sold separately). Made in the U.S.A.
Precision-machined cast iron valve guide with a shouldered design for reliable, long-lasting performance. Accepts special seals (sold separately).
Durable shouldered cast iron valve guide engineered for precise valve alignment and long life.
Precision-machined cast iron valve guide that accepts special seals (sold separately). Compatible with no-lead fuel.
Precision C63000 bronze valve guides with tapered nose design to improve flow; accept top-hat seals and original lower collar for OEM-style fitment.
Precision-machined valve guide for reliable performance and compatibility with unleaded fuel. Made in the USA.
Precision-machined valve guide compatible with no-lead fuel. Made in the USA.