Active filters
- Precision-machined bronze construction for durability
- Tapered nose to reduce port obstruction and improve flow
- Compatible with unleaded fuel and a range of valve‑stem materials
- Accepts top‑hat valve seals (sold separately)
- Made in the USA
Precision-machined valve guide accepts special seals and works with no-lead fuel; made in the U.S.A.
Durable rocker cover gasket engineered for reliable sealing and resistance to fuel and heat. Made in the USA.
Precision-machined cast iron valve guide compatible with unleaded fuel and all valve-stem materials. Durable OEM-style design, made in the USA.
High-strength valve keeper keys, precision machined and heat treated for reliable performance. Made in the USA.
High-density powdered metal valve seats designed for exceptional wear resistance and thermal stability.
One-piece nitrided stellite-tipped stainless-steel valve with improved wear resistance and low friction. Compatible with leaded and unleaded fuels. Made in the USA.
EST top end gasket kit with embossed stainless steel head, base and rocker gaskets. Complete set of gaskets, seals, and O-rings to rebuild the top end. Made in the USA.
Durable PTFE valve guide seals with fillers to reduce friction and a twin spring design for continuous tension. Made in the USA.
PTFE valve guide seals with filled formulation and twin spring design for continuous tension. Made in the USA.
Holds inner primary and transmission-to-engine case gaskets in place to prevent twisting during installation.