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...
Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A. Harley-Davidson -- Wide Glide FXWG -- (1985, 1986); Harley-Davidson --...
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...
Kits include KPMI? or equivalent valve spring kit, a full set of Black Diamond?stainless steel standard size valves, H.T. Steel valve keepers and valve stem seals (where applicable) for engine...
Precision-machined guidesManganese bronze guide material is softer than nickel aluminum bronze valve guidesExcellent heat conductivity which promotes long valve lifeGuides can be easily reamed with a...