Active filters
Restores stock spring pressures and works with stock cam profiles for reliable valve control.
OEM replacement valve spring kit that matches factory pressures and works with stock cam profiles. Made in the USA.
Heat-treated steel lower collars, precision machined and counter-bored for improved retainer-to-seal clearance. 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 rolled threads for consistent torque and reduced galling.
Wide under-head flange improves sealing to help prevent leaks.
170,000 psi tensile rating and 12-point hardened bolts for long-term durability.
Precision-machined nickel bronze valve guide offering excellent wear resistance and thermal conductivity. Compatible with no-lead fuel. Made in the USA.
Precision-machined valve guide compatible with unleaded fuels and various valve-stem materials.
Accepts special valve guide seals (sold separately). Made in the USA.
Durable shouldered cast iron valve guide engineered for precise valve alignment and long life.
- Precision j-form threads prevent galling and ensure consistent torque loading.
- Tensile strength rated at 180,000 psi; stronger than OEM and grade 8 fasteners.
- Complete kit for one motor; includes moly assembly lubricant.
- Made in the USA.
Precision-machined nickel bronze shouldered valve guide. Compatible with no-lead fuel; accepts special seals. Made in the USA.