Ford Racing 2015 Mustang GT 8.8-inch Ring and Pinion Set - 3.55 Ratio - M-4209-88355A

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.

Ring Gear And Pinion Set Incl. 3.55 Ratio Ring And Pinion/OEM Crush Sleeve/Pinion Nut For Use w/Super 8.8 in. Independent Rear Suspension Center Section