Heat-treated steel lower collars, precision machined and counter-bored for improved retainer-to-seal clearance. Made in the USA.
Active filters
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 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 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.
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.