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Output Shaft And Shift Rail Seals

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We prefer to lube the output shaft and shift rail seals with a little motor oil and then work them onto the case after the shafts and rails are installed. Carefully work the seals onto the shift rails to avoid nicking the rubber and then drive them on with a deep well socket. You can use a piece of appropriate-sized exhaust tubing to drive the output shaft seals on. Or, if you have a ball joint service tool, the included cup spacers make a nice seal installation tool.