Drivetrain Differentials and Rear-End Components

USA Standard (Yukon)

8.8 Ford 3.31 Rear Ring Pinion Install Kit 31spl Posi 2.53 Axle Bearings 8.8 FORD 3.31 REAR R

$1,360.89

SKU: U018 ZGK2037

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Engineered for superior performance and durability in rear axle assemblies, this kit restores optimal power transfer and traction control. It's essential for vehicles needing reliable differential function and limited-slip capabilities. Features high-grade alloy steel, precision-machined, heat-treated ring and pinion gears for heavy loads. Includes durable Koyo bearings, engineered components with corrosion-resistant coating for longevity. Straightforward installation for experienced mechanics (no drilling/modifications). Comes with all necessary parts. Includes a limited warranty. Designed for 2005-2010 Ford Mustang GT and GT500.

Fitment

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Specifications

BrandUSA Standard (Yukon)
Part NumberU018 ZGK2037

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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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