Active filters
High-performance fluoropolymer construction for extreme-temperature stability.
Twin spring design provides continuous tension for reliable sealing.
Added fillers reduce friction and extend service life.
Made in the USA.
Low-friction fluoropolymer valve guide seals with twin-spring tension and OEM-style durability.
- Conceals OEM bolt heads on engine, transmission and primary.
- Available as standard or deluxe kits; individual covers sold separately.
- Easy installation with included instructions.
Covers OEM bolt heads on engine, transmission and primary; individual covers available for many bolt and nut styles.
Deluxe and standard kits to cover raw OEM bolt heads on engine, transmission and primary. Individual covers also available.
Stepless® ear clamps with 360° stepless inner surface and narrow 5 mm band for concentrated seal compression.
360° Stepless® ear clamps with a narrow 5 mm band for concentrated sealing. Tamper-evident and lightweight; side jaw tool sold separately.
Replacement hardware set for derby cover. Made in the USA.
Precision cast iron shouldered valve guide for reliable performance and compatibility with modern fuels.
Precision-machined cast iron shouldered valve guide. Compatible with unleaded fuel and multiple valve-stem materials. Seals sold separately. Made in USA.
Precision-machined valve guide compatible with no-lead fuel; seals sold separately.
Stepless® ear design for gap-free inner sealing and even compression.
Precision-machined shouldered cast iron valve guide compatible with unleaded fuel. Special seals sold separately. Made in USA.
High-quality OEM-style valve guide seals, made in the USA for reliable valve sealing.
OEM-style valve guide seals with solid teflon and metal jacket. Made in the USA.
Precision-machined valve guides that accept OEM and aftermarket seals and can be finished with a ball hone for long valve life.
Precision-machined manganese bronze valve guides designed for easy reaming and long valve life.
Precision-machined manganese bronze valve guides that are easy to ream and accept OEM and aftermarket seals.