Description
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






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