KIBBLEWHITE Exhaust Valve - XL 20-2012

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.