PAIR OF TRIUMPH Premium C630 Nickel Aluminum Bronze STANDARD inlet or exhaust valve guides without seal groove by Kibblewhite. This product is designed for high-performance use. The 5% nickel content provides superior resistance to wear, and the approximately 80 percent copper content delivers outstanding heat conductivity. Kibblewhite guide profiles are designed to have minimal effect on the airstream while maintaining critical cross sectional thickness in high temperature areas, which promotes high performance and endurance.
No Seal is required with these valves.