Kibblewhite Precision 20-20701M Manganese Bronze Exhaust Valve Guide (+.001) drive-axle-housings Heavy-duty siping for flex and

Heavy-duty siping for flex and grip

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Kibblewhite Precision 20-20701M Manganese Bronze Exhaust Valve Guide (+.001) drive-axle-housings Heavy-duty siping for flex andOutside Dia.: (G): 0. 5635in. +0. 001in. A: 0. 685in. B: 0. 735in. C: 0. 920in. D: 1. 305in. E: 0. 615in. F: 0. 2750in.. Precision machined guides. Manganese bronze guide material is softer than nickel aluminum bronze valve guides. Excellent heat conductivity which promotes long valve life. Material hardness helps support valve guide longevity. Guides can be easily reamed with a battery operated or electric drill and finished with a high quality ball