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2015-2019 Mustang Super 8.8" IRS Loaded Differential Housing 3.55

Independent Suspension Differential Assembly, Traction-Lok, 3.55:1 Ratio, Ford, Mustang, Each



Features a cast iron housing with an aluminum cover and pinion flange with a 93mm bolt circle and 110mm driveshaft pilot. Original equipment on 2019 Mustang GT. Custom calibration required for speedometer and shift corrections.

Ford Performance Parts 8.8 IRS loaded differential housings are improvements to the rear axle of your Mustang. Whether you’re replacing the original in your manual or strengthening the cast aluminum model in your automatic, there’s nothing better than Ford Performance differential housings to do the job perfectly. Besides, who knows your Mustang better than the maker? These 8.8 IRS housings are fully loaded with forged, and CNC-cut gear sets installed. They feature strong cast iron topped with an aluminum differential cover, and, depending on the application chosen, a Torsen or Traction-Lok differential is included. If your automatic sees a lot of track time or your manual has a broken housing, your only choice should be genuine Ford Performance 8.8 IRS loaded differential housings.