Description
High-revving engines demand valve materials that can withstand extreme temperatures, pressure cycling, and combustion forces without degradation. KIBBLEWHITE’s White Diamond™ exhaust valves are precision-engineered from premium forgings and finished with hard chrome plating that resists thermal shock, corrosion, and wear—keeping your engine reliable through countless heat cycles. Whether you’re building a naturally aspirated high-rpm engine or running forced induction, these valves deliver the durability and consistency that separate competitive builds from the rest.
- CNC machined forgings
- EV8 Stainless Steel construction
- Inconel-751 option available
- 360° hard chrome plating
- Highest-grade electroplated finish
- One-piece forged design
- Made in the U.S.A.
- MPN: 80-80217H
- Thermal shock resistant
- Extreme temperature capable






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