Valve Kit. Fits Evolution Big Twin 1984-1999

Kit Includes:

* A Full Set of KPMI Stainless Steel Black Diamond Valves (Stock Head Diameter)

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. This process improves wear properties, reduces friction, and provides resistance to corrosion and wear. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench.

* Replaces OEM # 18074-83 & 18082-83

Suggested Additional Purchase:-

Top End Gasket Kit # CG-C9747 or CG-C9635