Part# 1013157 & 1013158 – Pro Rod Bushings

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Due to the stronger solid design (compared to a stock split bushing) of the Pro Rod Bushings you will need to bore the small end of your connecting rod to match the larger diameter of the new bushing. The bushing will then be pressed in and you will hone the inside of the new bushing to fit your wrist pins. Pro Rod bushing installation interference (crush) 0.002-0.0025.