Drivetrain› Differentials and Rear-End Components

Ford Racing

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

$280.00

SKU: F009 M-4209-88373A

In Stock
In Stock
Ships by Aug 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: M-4209-88373A

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.

Ring Gear And Pinion Set | 3.73 Gear Ratio | 8.8 in. Ring Gear Dia. | Incl. Ring And Pinion/OEM Crush Sleeve/Pinion Nut | For Use w/Super Independent Rear Suspension Center Section

MIA's Description

Upgrade your 2015-2018 Ford Mustang GT with the Ford Racing M-4209-88373A 8.8-inch Ring and Pinion Set. The 3.73 ratio improves acceleration and and overall performance, offering a perfect blend of power and speed with high-strength construction for reliability. This high-performance gear set enhances acceleration and responsiveness, making it an ideal choice for enthusiasts seeking improved driving dynamics and power delivery. Crafted from high-strength materials, this ring and pinion set ensures durability and reliability.

Fitment

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Specifications

BrandFord Racing
Part NumberF009 M-4209-88373A

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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