MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET

3.55 Ratio:

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, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M

Ratio 3.73 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, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M

Ratio 4.09 Fits 2015-2017 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
Compatible with Ford Performance 2015-17 Mustang Power Pack Calibrations that are 50 state legal with CARB EO Certificates · M-9603-M8 – Mustang GT 5.0L Power Pack 1

· M-9603-M8A – Mustang GT 5.0L Power Pack 2

· M-9452-M8 – Mustang GT 5.0L Power Pack 3

Made in the United States

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 or a Ford Performance Power Pack Calibration 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