EMPI's Conversion Stub Axles feature all the same high quality elements as our drive flanges; Including forged chromoly construction, precision CNC machining and following the proper heat treat specifications. Converting any stock or aftermarket trailing arm that uses stock I.R.S. bearings and seals has never been easier. Fully compatible with drum or disc brakes. EMPI also offers Micro Stub versions for 930 and 934 applications. (Bulk P/N: 311 501 221)