null

Ford Performance

Ford Performance Mustang Traction-Lok Loaded Differential Housing 3.55 (2015-2024)

SKU:
 161 M-4001-88355B
 | 
MPN:
 M-4001-88355B
$1,375.00
$1,218.99
( saved $156.01 )

In Stock - 5 or more available


Typically ships in 1-3 business days.
Buy Now

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!

Product Benefits
  • Original equipment on 2019+ Mustang GT
  • Iron housing with aluminum cover for strength
  • Fits 34-spline axles
  • Made in the USA
  • Ford Racing quality

warningWARNING: 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
  • Free Ground Shipping

  • Enthusiast-Driven Customer Service

  • Over 35 Years in Business