Artikel-Beschreibung
KPMI, exhaust valve guide. C630 bronze. STD
C630 bearing bronze. Standard size: 0.5650" O.D. (14.35mm); 0.3085" I.D. (7.84mm); 1.77" OAL (44.96mm). 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.