Kibblewhite Exhaust Valve 20-20950

Kibblewhite Exhaust Valve 20-21062K

Some Twin Cam heads using 7.0mm valves may crack in the port end of the valve guide bossThese valves have .005" oversize stems to re-establish the correct valve stem to valve guide clearance if the...

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...

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...