Fits all 2015-2017 Mustangs -  GT, V6, I4 and GT350 Direct replacement for left side production half shaft assembly Severe duty serviceable CV joints with CNC billet centers CNC-machined from aerospace high-alloy materials Billet one-piece 34-spline inner and 32-spline outer stub ends Axle shafts feature anti-wheel hop technology Off-road use only Â