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What is the difference between borable and honable connecting rod bushings?

April 26, 2017bushings Rod

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What is the difference between borable and honable connecting rod bushings?

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A borable bushing has a smaller inside diameter (I.D.) to allow a machine shop to bore the bushing on center to properly restore the center-to-center distance of the large and small ends of the connecting rod. Honable bushings have a larger I.D., do not correct center-to-center differences in marginal connecting rods, and must be finished honed to allow for correct pin clearance.