Active filters
Fortified replacement valves offering improved wear resistance and reduced friction. Compatible with leaded and unleaded fuels. Made in the USA.
Complete KPMI®-compatible valve kit with Black Diamond™ stainless valves, heat‑treated keepers and valve stem seals. Sold as a complete kit for one engine. Made in the USA.
High-performance CNC-machined valves with hard-chrome finishing and flow-bench testing for durability and maximum airflow.
OEM-style cast iron valve guide machined to precision tolerances. Compatible with no-lead fuel. Made in the U.S.A.
High-performance Beehive Valve™ spring kit with progressively wound springs, hardened retainers and H.T. steel basewashers. Made in the USA. OEM-style valve keys sold separately.
High-quality replacement valve guide seals made from fuel-resistant materials for long-term reliability.
Durable replacement engineered for long-term reliability. Fuel-resistant construction prevents creep, cracking, and brittleness. Made in the U.S.A.