KPMI, EXHAUST VALVE GUIDE. C630. +.002"

KPMI, exhaust valve guide. C630. +.002"

C630 bearing bronze is a tough nickel-aluminum-bronze alloy typically used in high performance and racing applications where rapid heat transfer from the valve to head is important. Note: Standard non-oversize dimensions (for reference only) are 0.6250" O.D. (15.88mm); 0.3745" ID (9.51mm); 1.91" OAL (48.51mm).

Fits: > 79-84 80" (1340cc) Shovelhead (NU)