Kibblewhite
KPMI, intake valve guide. C630 bronze. +.001"
KPMI, intake valve guide. C630 bronze. +.001"
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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 0.5620" O.D. (14.27mm); 0.2750" I.D. (6.99mm); 2.02" OAL (51.31mm).
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