Description
Factory valve kits deteriorate from heat cycling and fuel exposure, leading to reduced compression and power loss over time. The KIBBLEWHITE Complete Valve Kit restores your Evolution/883’s combustion efficiency with precision-engineered components that withstand sustained high-RPM operation. This U.S.-made kit eliminates the need to source individual valves, springs, and seals separately—everything you need for a complete top-end refresh comes in one box.
What’s Included:
- Black Diamond™ stainless steel valves
- KPMI® valve spring kit
- H.T. steel valve keepers
- Valve stem seals (as applicable)
Technical Specifications:
- MPN: 20-22750
- Application: Evolution/883 engines
- Material: Stainless steel valves
- Surface impregnation: .002″ depth
- Buildup layer: .0002″
- Fuel compatibility: Leaded/unleaded
- Corrosion resistance: Enhanced
- Friction reduction: Impregnation process
- Fitment: Complete kit, one engine
- Origin: Made in U.S.A.






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