KPMI, exhaust valve guide. C630 bronze. STD

Kuvaus

C630 bearing bronze. Standard size: 0.440" O.D. (11.18mm); 0.2340" I.D. (5.94mm); 1.925" OAL (48.90mm). 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.