KIBBLEWHITE Intake Valve - Big Twin 20-4256

If you're running a Big Twin engine that demands consistent performance across extended high-RPM sessions, intake valve quality directly impacts combustion efficiency, heat dissipation, and component longevity. KIBBLEWHITE's stainless-steel, stellite-tipped design eliminates the wear inconsistencies found in standard valves, giving you predictable power delivery and reduced maintenance intervals. Built with a proprietary nitriding process, these valves resist corrosion and friction better than hard-chrome alternatives—whether you're burning leaded or unleaded fuel.

• One-piece stainless steel
• Stellite-tipped design
• Nitrided surface (.002" depth)
• Superior wear resistance
• Reduced friction profile
• Corrosion-resistant coating
• Lightweight construction
• Optimized flow characteristics
• Compatible leaded/unleaded
• Works cast iron guides
• Works bronze guides
• Close tolerance fit
• Maximum oil control
• Enhanced heat dissipation
• Made in U.S.A.
• MPN: 20-4256