# Ford Racing 15-25 Mustang GT 3.73 Ratio 8.8in Ring and Pinion Set

Ford Racing ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials. \*\* Note: 3.15 Ratio Differential not compatible with 3/31, 3.55, 3.73 and 4.09 ratio gears. Use differential M-4204-MT or M-4204-M. \* This part is designed and intended for competition use only. It should not be installed on a vehicle that is driven on public roads and highways. Installation of this art on a vehicle driven on public roads and highways is likely to violate U.S. and Canadian laws and regulations relating to motor vehicle emissions.

-   Requires Aftmkt Calib. If Vehicle Not Equipped w/This Gear Ratio
-   OEM Quality Provides The Strongest/Quietest Gears On The Market
-   Incl. OEM Crush Sleeve and Pinion Nut
-   Requires M-4210-B3 Install Kit
-   Made in the USA

This Part Fits:

Year

Make

Model

Submodel

2019-2020

Ford

Mustang

Bullitt

2024-2025

Ford

Mustang

Dark Horse

2024-2025

Ford

Mustang

Dark Horse Premium

2015-2025

Ford

Mustang

EcoBoost

2015-2025

Ford

Mustang

EcoBoost Premium

2015-2025

Ford

Mustang

GT

2015

Ford

Mustang

GT 50 Years Limited Edition

2015-2025

Ford

Mustang

GT Premium

2021-2023

Ford

Mustang

Mach 1

2015-2020

Ford

Mustang

Shelby GT350

2015-2020

Ford

Mustang

Shelby GT350R

2020-2022

Ford

Mustang

Shelby GT500

2015-2017

Ford

Mustang

V6

## Details

- **Price:** 408.4 CAD
- **Vendor:** Ford Racing
- **Type:** Ring & Pinions

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 408.40 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/ford-racing-15-25-mustang-gt-3-73-ratio-8-8in-ring-and-pinion-set)
> Updated: 2026-06-28