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2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover by Ford Performance


2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover
2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover
2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover
2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover
2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover
2015-24 Mustang Ford Performance Super 8.8" IRS Differential Cover

Strengthen the rear differential in your 2015-2024 Mustang with the help of Ford Performance Super 8.8" IRS differential cover!

Item #M4033G4
MPN# M-4033-G4

Everyday Low Price: $424.99

Out of Stock
 This item is returnable. Details


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Made in the USA

 Benefits

  • New Axle Nuts Included
  • Increase Ring & Pinion Gear Life
  • Improved Strength Reduces Leaks & Cracking

 Features

  • 356-T6 Aluminum Construction
  • Etched Ford Performance Logo
  • Load Bolts Provide Additional Support

 What's in the Box

  • (1) Diff Cover
  • (1) Tube of Threadlock
  • (2) Half Shaft Nuts

Mustang Ford Performance Super 8.8" IRS Differential Cover
Improve the strength and support of the 8.8 IRS rear end in your 2015-2024 Mustang with help from Ford Performance Super 8.8" IRS differential cover! As an integral part of the rear end of the S550 or S650, this cover not only seals up the differential but attaches the diff to the IRS subframe and becomes a structural component when installed. The factory differential cover utilizes a cast aluminum construction that is prone to flexing under heavy loads. Made from light-weight 356-T6 aluminum this Ford Performance IRS rear differential cover will improve housing rigidity and minimize flex in the main bearings. Extensive flex of the differential can cause the ring and pinion gear to mesh incorrectly, creating unwanted wear and eventually the infamous gear whine. To help prevent this flex, this cover features adjustable load bolts to properly pre-load the main bearing caps and give your differential the proper support it requires. The Ford Performance logo is etched into the diff cover making it easily apparent that it's built to perform. Included with this differential cover is a new set of axle nuts as well as a tube of thread locking compound needed for the reassembly process. Upgrade your IRS rear diff thanks to this Ford Performance Super 8.8" IRS differential cover for your Mustang!


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  • Ford Mustang - 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023
Fitment Notice
  • Fits 2015-2024 Mustang w/ Super 8.8 Differential
  • Ford Performance recommends Motorcraft TA-29 or equivalent sealer for the differential cover.

California Residents:
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About This Brand


Ford Performance
Ford Performance - Mustang Ford Racing Parts
Ford Performance Parts is the leader in performance parts and accessories for Mustang and Ford Lightning.

LMR.com is proud to offer Ford Racing Performance Parts for your project. Ford Racing is dedicated to manufacturing the highest quality products offered in the industry. Choose from suspension, exhaust, wheels, and other performance parts at Late Model Restoration. If you want the best for your Mustang or SVT Lightning, look no further than Ford Performance Parts!