2015-2019 MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET – 4.09 RATIO

2015-2019 MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET – 4.09 RATIO
2015-2019 MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET – 4.09 RATIO
2015-2019 MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET – 4.09 RATIO
2015-2019 MUSTANG IRS SUPER 8.8-INCH RING AND PINION SET – 4.09 RATIO
M-4209-88409A
Sold in Units of
Each (1)
Instruction Sheet
Not Available
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WARNING:
This part is designed and intended for competition use only or off-highway use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this part on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.
  • Fits 2015-2019 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

Part Type
D-Line: Ring & Pinion
Warranty Availability
Not Available
Package Dimensions
11.5" x 5.5" x 15"
Package Weight
20.25 lb(s)
UPC Code
756122006795
Country of Origin
United States