Ford Performance 8.8-inch Ring and Pinion Set, 3.73 Ratio 2015-2025 Ford Mustang

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Manufactured in the USA, these Ford Racing Mustang ring and pinion gears feature a super strong forged construction, CNC cut & lapped gear teeth, and are completed in a black oxide finish to resist corrosion.
This 3.73:1 Ratio Ford Racing Ring and Pinion Gear set will fit all 2015-2025 Mustangs equipped with an 8.8" Independent Rear Suspension (IRS), including V6, EcoBoost and GT models. A master bearing kit is recommended by most installers, especially on high mileage vehicles.
Note: Requires aftermarket calibration if vehicle is not originally equipped with this gear ratio.
Note: 3.15 ratio differential not compatible with 3.31, 3.55, 3.73 and 4.09 ratio gears.
Part Number: M-4209-88373A
FORD PERFORMANCE PARTS LIMITED WARRANTY PROGRAM
Ford warrants that new Ford branded products will be free from defects in materials and workmanship at the time of sale. This warranty does not cover damage or malfunctions caused by normal wear and tear, accident, abuse, neglect, improper storage or handling, misuse, vandalism, acts of God, or other causes external to the product.
This warranty gives you specific legal rights, and you may have other rights, which vary from State to State.
Most Ford Performance Parts (FPP) are sold with no warranty, unless otherwise expressly designated. To learn about Ford Performance Parts covered under warranty, see below:
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For any additional FPP warranty information, contact the Ford Performance Parts Techline at (800) FORD788 for the latest limited warranty information on specific products.
CALIFORNIA CUSTOMERS
Beginning July 1st, 2023, customers in California benefit from the distinctive warranty coverage for any of Ford's portfolio accessories. Customers must provide proof of delivery in one of two ways. Provide the FedEx delivery label, indicating the date of delivery; or Provide the Printed or Electronic Receipt indicating the date the accessory/part was delivered. Ask the dealership for an amended receipt if the accessory/part is delivered at a later date than purchased in order to indicate the date the accessory/part was delivered to the customer.
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