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  • Ford Performance IRS SUPER 8.8-INCH RING AND PINION SET - 3.73 RATIO Mustang 2015-2018

    $265.00 $225.00

    No one does 8.8" gears better than Ford Racing:  stronger and quieter. M-4209-88373A


    • 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


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