Ford Performance 3.15 Gear Set - 79+ Mustang
The ring gear and pinion has been redesigned for the 2015 Mustang IRS center section and Ford Racing is first to market with a selection of gear ratios for the Mustang enthusiast.
- Fits 2015-2016 Mustang 8.8-inch IRS center section
- Requires M-4210-B3 2015 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