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Precision-machined cast iron valve guide compatible with no-lead fuel and any valve-stem material. Made in the USA.
- Precision j-form threads to prevent galling and ensure consistent torque loading.
- 180,000 psi tensile strength; stronger than OEM and grade 8 fasteners.
- Complete kit for one motor plus moly assembly lubricant included.
- Made in the USA.
Precision-machined valve guides with tapered nose design for improved flow and OEM-style fitment.
Precision-rolled threads and wide underhead flange for reliable sealing. Includes moly lubricant and 170,000 psi tensile strength. Not for '23 121" VVT models.
Precision-machined cast iron valve guide. Compatible with no-lead fuel; accepts special seals (sold separately).
Precision-machined shouldered cast iron valve guide for exhaust service. Accepts special seals (sold separately). Made in the U.S.A.
Precision-machined guides that ream and finish easily with common drills and a ball hone. Accepts OEM and aftermarket seals and promotes long valve life.
Precision-machined guides that allow easy reaming and finishing while accepting OEM and aftermarket seals.
Precision-machined manganese bronze valve guide. Easy to ream, accepts OEM and aftermarket seals, and built for long valve life. Made in the USA.
Precision-machined manganese bronze valve guide with excellent heat conductivity; easy to ream and finish with common tools and accepts OEM and aftermarket seals.
Precision‑machined manganese bronze valve guide that promotes long valve life and can be finished with a ball hone.
Fastener set that helps prevent M8 cylinder head cracking; made in the USA.