Description
Exhaust valves are critical components that directly impact engine efficiency, durability, and power output—and inferior valves lead to accelerated wear, carbon buildup, and lost performance. The KIBBLEWHITE Black Diamond™ valve delivers measurable advantages through advanced metallurgy and precision engineering, ensuring your engine maintains peak performance under sustained high-RPM conditions. If you’re serious about engine longevity and reliability, this is the valve your build deserves.
- One-piece EV8 stainless steel forging
- CNC-machined construction
- Black Diamond™ multi-stage friction reduction
- Superior corrosion resistance
- Enhanced wear protection
- Made in the U.S.A.
- MPN: 30-30122
- Direct replacement fitment






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