S&S CYCLE Thread Reducer - 1/2"-13 to 5/16"-18 50-8151
$ 11.95
Overview
Thread Reducer - 1/2"-13 to 5/16"-18
Used on '93-'99 Harley-Davidson cylinder heads when installing a carburetor support bracket that requires 5/16"-18 mounting bolts, Reduces a 1/2"-13 threaded hole to 5/16"-18, Made in the USA