Ford Performance- 2015+ Mustang IRS Ring Gear and Pinion Set - 3.73.1 Ratio
Ford Racing Quality
Strong Forged Construction
3.73 Gear Ratio
8.8" Ring Gear Diameter
For Street or Track Use
Fits 2015-2017 Mustangs Equipped with IRS…
Ford Racing Quality
Strong Forged Construction
3.55 Gear Ratio
8.8" Ring Gear Diameter
For Street or Track Use
Fits 2015-2017 Mustangs Equipped with IRS
Fits all Super 8.8" IRS axles in 2015-2017 Mustang
Note: does not fit earlier 1986-2014 8.8” axles
Bill of material:
OEM pinion bearings and races
OEM Differential bearings and...
Put the Power to the Pavement
8.8" IRS Limited Slip Differential
Factory OEM Replacement
Genuine Ford Racing Part M-4204-M
Requires 34 Spline Axles
Designed for Use with 3.31, 3.55 & 3.73...
Ford Performance Parts exhaust systems bring you the ultimate in high performance. All components are made from mandrel-bent, stainless steel and are produced to Ford Performance Parts specifications...