Ford Racing has really stepped up to the plate with the new 2015+ Ford Mustang. This new mustang has come equipped with some great upgrades to really push this new S550 platform to its performance limits. One of those components is the Ford Racing S550 Mustang IRS Loaded Differential Housing 3.55.
Ford Racing S550 Mustang IRS Loaded Differential Housing 3.55 is the original equipment on the 2015-2017 Ford Mustang GT with manual transmissions. This differential housing comes loaded with 3.55:1 ratio gear set (161-M-4209-88355A) and Torsen-Lok differential (161-M-4204-M). The Torsen differential in this kit is made to fit 34-spline axles. Automatic cars require specific pinion flange kit M-4851-M8A
Note: Custom calibration is required for speedometer and shift corrections.
Purchase your Ford Racing S550 Mustang IRS Loaded Differential Housing 3.55 for your 2015+ Ford Mustang GT, EcoBoost, or V6 at Steeda Autosports today!
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