Loaded differential housing for 2015-2017 Mustang IRS
Fits Mustang GT and V-6 with manual transmission
Iron housing with aluminum cover
Includes 3.73:1 ratio gear set M-4209-88373A and Torsen differential M-4204-MT
Original Equipment on 2015 Mustang GT Performance Pack
Custom calibration required for speedometer and shift corrections
Automatic transmission requires Pinion Flange Kit M-4851-M8A
WARNING:
This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this part on a vehicle driven on public roads and highways is likely to violate US and Canadian laws and regulations relating to motor vehicle emissions.