Billet aluminum axle tube flange for VW swing axle trans. Heavy Duty Design for extra stiffness. Special studs required # N0444115 ( M8 x 1.25 x 45 ). These billet aluminum axle tube flanges are significantly thicker than the stock VW stamped steel flanges. Replaces stock # 111501141B. Applications : '61-'68 VW Type 1, '61-'67 VW Type 2.