2015-2017 MUSTANG SUPER 8.8" IRS LOADED DIFFERENTIAL HOUSING 3.55
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- Loaded differential housing for 2015-2018 Mustang IRS
- Fits 2015-2018 Mustang GT and V-6 with manual transmission
- Iron housing with aluminum cover
- Includes 3.55:1 ratio gear set M-4209-88355A and Traction-Lok differential M-4204-M
- Original Equipment on 2015-2017 Mustang GT
- Custom calibration required for speedometer and shift corrections
- Automatic transmission requires Pinion Flange Kit M-4851-M8A
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