Complete engine valve kit that includes a KPMI® or equivalent valve spring kit, one-piece Black Diamond™ stainless steel valves, H.T. steel valve keepers, and valve stem seals where applicable.
Black Diamond™ valves are forged from stainless steel and processed to improve wear properties and reduce friction; White Diamond® valves are CNC machined from EV8 stainless steel or Inconel‑751 and finished with hard chrome for a durable surface.
Compatible with leaded and unleaded fuels, and sold as a complete kit for one engine.
Precision heat-treated components deliver reliable performance and long life. Made in the USA. 🛠️🇺🇸