What is an IRS pinion flange?

An IRS pinion flange is a component that attaches to the end of the driveshaft and connects it to the pinion gear inside the Independent Rear Suspension (IRS) differential. It's crucial for transferring power from the transmission to the rear wheels.

What does 'IRS' stand for in this part description?

IRS stands for Independent Rear Suspension. This means the rear wheels can move independently of each other, which is common in performance vehicles like the Ford Mustang for better handling.

Does this pinion flange come with any hardware?

The manufacturer's description does not specify if hardware is included with this pinion flange. It's recommended to refer to the manufacturer's installation instructions or consult with a technician to confirm what is needed for installation.

2015-2025 Ford Mustang IRS Pinion Flange | Ford Racing

Name: Ford Racing 2015-2017 Automatic IRS Pinion Flange
Brand: Ford Racing
Price: 87.14 USD
Availability: InStock

Ford Racing 2015-2017 Automatic IRS Pinion Flange

$87.14

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2015-2025 Ford Mustang. This Ford Racing IRS Pinion Flange is a direct replacement for your automatic transmission.

Key Features

Fits 2015-2025 Ford Mustang.
This is an 8.8-inch IRS Automatic Pinion Flange.
Designed as a direct replacement for the original equipment.
Works with Ford Racing differential components M-4001-88373T and M-4001-88355.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Fits this vehicle

Ford Mustang 2015-2025

Product Details

Ford Racing has a long history rooted in grassroots motorsports, and that passion for performance continues with parts like this 8.8-inch IRS Automatic Pinion Flange. If you're working on the drivetrain of your 2015-2025 Ford Mustang with an automatic transmission, this part is designed to fit right in.

This pinion flange is specifically made for the 8.8-inch Independent Rear Suspension (IRS) found in your Mustang. It's a direct replacement for the original part, ensuring that your driveshaft connects securely to the differential. This is the kind of solid component you expect when you see the Ford Racing name, built to keep your Mustang's power going to the wheels.

When you're rebuilding or servicing the rear end of your Mustang, using a well-built replacement like this Ford Racing pinion flange is key to a reliable setup. It's designed to work with specific Ford Racing differential components, so make sure to check the part numbers listed in the extended description for compatibility.