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  3. Ford Performance Mustang IRS Super 8.8-inch Ring and Pinion Set - 3.73 Ratio

Ford Performance Mustang IRS Super 8.8-inch Ring and Pinion Set - 3.73 Ratio

Ford Performance
SKU: M-4209-88373A
Availability: Out of stock
$249.00




  • 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 
  • 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
    Part Type D-Line: Ring & Pinion
    Warranty Availability Not Available
    Packaged Dimensions 11.5" x 5.5" x 15
    Packaged Weight 19.55 lb(s)
    UPC Code 756122000571
    Country of Origin United States

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