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 S550/S650 platform to its performance limits. One of those components is the Ford Racing S550/S650 Mustang IRS Loaded Differential Housing 3.55.
Ford Racing S550/S650 Mustang IRS Loaded Differential Housing 3.55 is the original equipment on the 2018+ Ford Mustang GT . This differential housing comes loaded with 3.55:1 ratio gear set (161-M-4209-88355A) and Traction-Lok differential (161-M-4204-M).
When used on 2015-2017 Mustang, pinion flange change may be necessary; comes with pinion flange with 93mm bolt circle and 110mm driveshaft pilot installed. For applications that require 95mm bolt circle and 113mm driveshaft pilot, use FR3Z-4851-B pinion flange, available through Ford dealer.
Note: Custom calibration is required for speedometer and shift corrections.
Purchase your Ford Racing S550/S650 Mustang IRS Loaded Differential Housing 3.55 for your 2015+ Ford Mustang GT, EcoBoost, or V6 at Steeda Autosports today!
- Original equipment on 2019+ Mustang GT
- Iron housing with aluminum cover for strength
- Fits 34-spline axles
- Made in the USA
- Ford Racing quality
WARNING: California Residents: Cancer and Reproductive Harm;
www.p65warnings.ca.gov
- Installation Difficulty:
- Moderate
- Tools Required:
- Basic Shop Tools
- Estimated Install Time:
- (approx.) 7 Hours
- Vehicle Fitment:
- 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
