Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. **  Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M.  *  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 art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.
This Part Fits:
| Year | 
Make | 
Model | 
Submodel | 
| 2015-2018 | 
Ford | 
Mustang | 
EcoBoost | 
| 2015-2018 | 
Ford | 
Mustang | 
EcoBoost Premium | 
| 2015-2018 | 
Ford | 
Mustang | 
GT | 
| 2015 | 
Ford | 
Mustang | 
GT 50 Years Limited Edition | 
| 2015-2018 | 
Ford | 
Mustang | 
GT Premium | 
| 2015-2018 | 
Ford | 
Mustang | 
Shelby GT350 | 
| 2015-2018 | 
Ford | 
Mustang | 
Shelby GT350R | 
| 2015-2017 | 
Ford | 
Mustang | 
V6 |