Active filters
Precision-machined cast iron construction; compatible with no-lead fuel; accepts special seals (sold separately); made in USA.
Precision machined valve keeper keys, split and heat treated for long-lasting performance. Made in the USA.
High-density powdered metal valve seats offering exceptional wear resistance and thermal performance; tested for track and street use.
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.
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.
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.
Stepless® ear design for gap-free inner sealing and even compression.
- Indexes spark plug electrode gap toward intake valve
- Includes five 0.40" thick, five 0.50" thick, and five 0.60" thick washers
- Made in the USA
Precision-machined cast iron valve guide with shouldered design. Compatible with unleaded fuel; accepts special seals (sold separately). Made in the U.S.A.
Precision-machined cast iron valve guide compatible with no-lead fuel. Made in the USA.
High-quality OEM-style valve guide seals, made in the USA for reliable valve sealing.