SELF TAPPING PIVOT SHAFT SWINGARM, OS

0.25" larger in diameter than the stock swingarm pivot shaft. Self tapping. Solves the problem of damaged or stripped threads in the left side of 4-sp Big Twin frames. Oversized version of OEM 47510-58 pivot bolt. - Bad thread solution - self tapping +.025" oversize

Fits: > 58-84 4-sp Big Twin (excl. Softail)