1 7/8in. opening Mounting hole pattern is identical to stock pattern on Tillotson, Bendix and Keihin butterfly type carbs Use with all S&S 1 7/8in. manifolds, includes o-rings
1 7/8in. opening Mounting hole pattern is identical to stock pattern on Tillotson, Bendix and Keihin butterfly type carbs Use with all S&S 1 7/8in. manifolds, includes o-rings
