Kibblewhite Precision 20-2061M Manganese Bronze Exhaust Valve Guide (+.001) engine-gaskets-seals-oil-system-gaskets the key thing to remember

the key thing to remember is the coefficient of friction rating for that pad

Constructed from machined 6061-T6 billet aluminum

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Kibblewhite Precision 20-2061M Manganese Bronze Exhaust Valve Guide (+.001) engine-gaskets-seals-oil-system-gaskets the key thing to rememberQuantity: Pkg. of 1. Material: Manganese Bronze. Type: Exhaust. Outside Dia.: (G): 0. 6260in. +0. 001in. A: 0. 450in. B: 0. 540in. C: 0. 855in. D: 1. 315in. E: 0. 745in. F: 0. 3745in.. 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