Direct replacement for right side production half shaft assembly Fits 2015 Mustang GT, V6 and I4 Direct replacement for right 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