Description
Premium Rear Gear Kit. The USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 3.31 Gear Ratio is engineered to deliver superior performance and durability for rear axle assemblies. This kit restores optimal power transfer and traction control, making it essential for vehicles requiring reliable differential function and limited-slip capabilities.
Construction and Appearance. Manufactured with high-grade alloy steel, the ring and pinion gears undergo precision machining and heat treatment to withstand heavy loads and stress. The kit includes durable Koyo bearings and meticulously engineered components, finished with a corrosion-resistant coating to ensure longevity and consistent performance.
Installation. Installation is straightforward for experienced mechanics, requiring standard tools without any drilling or modifications. The kit comes complete with all necessary parts to facilitate a smooth and efficient replacement or upgrade process.
Warranty. This product includes a limited warranty covering manufacturing defects for a specified period.
Application. Specifically designed to fit 2005-2010 Ford Mustang models GT and GT500, ensuring compatibility with factory axle configurations and performance requirements.
USA Standard Gear ZGK2037
CA Residents: WARNING: Cancer and Reproductive Harm
- 8.8-inch Rear Ring and Pinion Gear Set with 3.31 Gear Ratio
- Includes Master Install Kit with High-Quality Bearings and Small Parts
- Designed for 10 Bolt Rear Cover Applications and 10 Bolt Ring Gear
- Features 31 Spline Yukon Dura Grip Limited Slip Positraction
- Axle Bearings Diameter Measures 2.53 Inches Outside
- Inner Pinion Bearing Outside Diameter Is 3.25 Inches
- Gear and Install Kit Provides Complete Differential Repair Solution
- Ring Gear Diameter Measures 8.8 Inches
- Sold as a One-Stop Shop Kit for Ease of Installation and Maintenance
- Fits 05-10 Mustang GT, GT500
| Brand | USA Standard Gear |
| Gear Type | Gear Kits |
| Gear Ratio | 3.31 |






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