Kibblewhite Exhaust Valve - M8 20-21018K

Extensive R&D on all applications to provide high-performance components that last longer than OEMBlack Diamond valves are one-piece forgings made from 21-4N high-performance stainless...

Full set of Black Diamond™ stainless steel standard size valves for engine applications listedAll valves are impregnated by a special process to a depth of .002” with a surface buildup of ...

Black Diamond? valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond? proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and...

Black Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless SteelBlack Diamond™ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion and...

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce frictionThis process...