Description
If you’re running a high-performance engine that demands reliability under extreme conditions, valve durability isn’t negotiable. KIBBLEWHITE’s XL 20-2012 exhaust valves combine precision engineering with a proven nitriding process that outperforms standard hard-coated alternatives—delivering superior wear resistance, reduced friction, and extended service life. Whether you’re building a street performance engine or prepping for sustained track duty, these U.S.-made valves are engineered to handle both leaded and unleaded fuel without compromise.
- One-piece stainless steel
- Stellite-tipped construction
- Nitrided .002″ depth
- .0002″ surface buildup
- Corrosion resistant
- Superior wear properties
- Reduced friction design
- Optimized flow profiles
- Leaded/unleaded compatible
- Cast iron guide compatible
- Bronze guide compatible
- Close-tolerance machining
- Maximum oil control
- Enhanced heat dissipation
- Made in U.S.A.
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