KIBBLEWHITE Valve Seat 10-HC447

If you're running titanium valves in a high-performance engine, valve seat material directly impacts durability, thermal management, and longevity under extreme conditions. KIBBLEWHITE's copper-based seats were engineered over two years specifically for titanium valve compatibility, delivering superior wear resistance and thermal conductivity that standard seats simply can't match. Whether you're building a race engine or restoring a vintage British 4-stroke, these seats are trusted by professional builders worldwide because they perform when it matters most.

• Copper-based composition
• Optimized for titanium valves
• Excellent thermal conductivity
• Corrosion and wear resistant
• Two-year KPMI R&D verified
• Tested across 4- and 5-valve singles
• Multi-cylinder street bike proven
• British and European 4-stroke compatible
• Raceway-proven performance
• Superior machinability
• Made in U.S.A.
• MPN: 10-HC447