KIBBLEWHITE Exhaust Valve - Big Twin 20-4102

If you're running a Big Twin engine that demands reliability under sustained high RPM, valve wear becomes your primary enemy. KIBBLEWHITE's exhaust valve delivers superior durability through a proprietary nitriding process that outperforms traditional hard-chrome plating—resisting corrosion while cutting friction at the seat and guide. Built for both leaded and unleaded fuel, this one-piece stainless-steel valve integrates seamlessly into your existing engine for immediate performance gains without compromise.

• One-piece stainless steel
• Stellite-tipped valve seat
• Nitrided process (.002" depth)
• Superior wear resistance
• Reduced friction design
• Corrosion-resistant coating
• Optimized flow profile
• Cast iron guide compatible
• Bronze guide compatible
• Close-tolerance machining
• Enhanced oil control
• Improved heat dissipation
• Leaded fuel capable
• Unleaded fuel capable
• Made in the U.S.A.
• Bolt-on installation
• Big Twin fitment