Ford Racing 2015 Mustang GT 8.8-inch Ring and Pinion Set - 3.55 Ratio M-4209-88355A
- Fits 2015-2018 Mustang Super 8.8-inch IRS center section
- Includes OEM crush sleeve and pinion nut
- Requires M-4210-B3 Mustang 8.8-inch ring-gear and pinion install kit
- Made in United States in Ford's Sterling Axle Plant
- OEM Quality - our superior surface finish, hardening and manufacturing consistency provide the strongest and quietest gears in the market.
- Requires aftermarket calibration if vehicle is not originally equipped with this gear ratio
Note: 3.15 ratio differential not compatible with 3.31, 3.55 and 3.73 ratio gears. Use differential M-4204-MT or M-4204-M