SHOP

All Mustang Parts
Free Shipping on qualifying orders over $99* Details

2015-26 Mustang Ford Performance 3.55 Rear End Gears by Ford Performance


2015-26 Mustang Ford Performance 3.55 Rear End Gears

A set of Ford Performance 3.55 gears is a great way to get more performance out of your 2015-2026 Mustang!

Item #M420988355A
MPN# M-4209-88355A

Everyday Low Price: $206.99

Low Stock Only 2 available.
 This item is returnable. Details
This item is not eligible for discounts or coupon codes.

Free Shipping over $99

 Add to Cart

LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

Made in the USA

 Benefits

  • Ford Performance Quality
  • Increased Acceleration
  • Made in the USA!
  • Improved Launch

 Features

  • Steel Ring & Pinion
  • Heavy Duty Construction
  • Fits 8.8" Mustang Rear End
  • Includes Pinion Nut & Crush Sleeve

 What's in the Box

  • (1) 3.55 Pinion Gear
  • (1) 3.55 Ring Gear
  • (1) Crush Sleeve
  • (1) Pinion Nut

Mustang Ford Performance 3.55 Gears
Upgrade the rear gears in your S550 or S650 with a set of Ford Performance 3.55 gears for your 2015-2026 Mustang. Your factory gears are built to maximize fuel mileage, which leaves much to be desired in the performance department. A gear change can provide a night and day difference when it comes to launching your Mustang at the track. While these Ford gears do not increase horsepower, they will definitely allow your Mustang to launch harder and quicker! Ford Performance 8.8" Mustang gears are the choice of championship road racing and drag racing teams around the globe. These IRS rear end gears fit the Ecoboost, V6, and GT models with 8.8" rear ends. Perfect for high horsepower applications and includes a new pinion gear, a ring gear, a crush sleeve, and a pinion nut. Allow your Mustang to accelerate quicker than ever with this 3.55 rear-end gear kit is an excellent choice to get! 

Speedometer Correction

  • After installation of rear gears, you will need to correct the speedometer. There are different methods to do this depending on year model.

1979-1995 Speedometer Correction
1996-Present Speedometer Correction


Ford Performance Racing Parts "Packs" and Component Parts Limited Warranty - Click Here
Ford Performance Racing Parts - NO WARRANTY - Click Here
Ford Performance Racing Parts Crate Engine Limited Warranty - Click Here

  • Ford Mustang - 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Fitment Notice
  • Fits 2015-2026 Mustang Ecoboost, V6, & GT.
  • 3.15 ratio differential not compatible with 3.31, 3.55, and 3.73 ratio gears. Use differential M-4204-MT or M-4204-M.

California Residents:
Prop 65 Warning SignWARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

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!

Add to Cart