MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET - 3.73 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 

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
Catalog Page Number
241
Country of Origin
Mexico