Description
Aggressive 4.88 Gear Ratio. This USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio delivers a dramatic upgrade in acceleration and torque with its 4.88 gear ratio, perfect for performance-driven Mustang GT and GT500 owners. Whether launching off the line or climbing through the powerband, this setup enhances throttle response and low-end power for a more exhilarating driving experience.
Durable Dura Grip Positraction Unit. Included in the USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio is the Yukon Dura Grip clutch-style LSD, engineered for smooth yet aggressive traction across varied terrain. Built with a high-strength nodular iron case, forged 4320 chromoly spider gears, and composite clutches, this unit is fully rebuildable and designed to withstand high torque loads and demanding driving conditions.
Built for 8.8-Inch Rear Ends. This USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio is specifically designed for Ford 8.8-inch rear axles with a 10-bolt rear cover and 31-spline axles. It includes axle bearings with a 2.53-inch diameter and an inner pinion bearing with a 3.250-inch outer diameter, ensuring compatibility with 2005–2010 Mustang GT and GT500 models equipped with factory or upgraded rear differentials.
Track-Ready Performance with Street Reliability. Whether you’re carving corners or cruising the highway, this USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio offers the perfect balance of aggressive performance and everyday drivability. It’s ideal for enthusiasts who want to push their Mustang’s limits without sacrificing reliability or comfort.
Installation. Putting this USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio on your Mustang GT, GT500 takes 3 hours to install.
Warranty. There is a limited warranty on this product.
Application. The USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 4.88 Gear Ratio fits 2005-2010 Mustang GT, GT500 models.
USA Standard Gear ZGK2042
CA Residents: WARNING: Cancer and Reproductive Harm
- Rear Axle Ring and Pinion Gear Kit
- Includes 4.88 Ring and Pinion Gear Set
- Yukon Dura Grip Clutch-Style Limited Slip Differential
- Engineered for Smooth Yet Aggressive Traction
- Fully Rebuildable Positraction Unit
- High-Strength Nodular Iron Case
- Forged 4320 Chromoly Spider Gears
- Composite Clutches for Long Life
- Master Install Kit with High-Quality Koyo Bearings
- Includes Axle Bearings and Seals
- Designed for 10-Bolt Rear Cover and Ring Gear
- Inner Pinion Bearing with 3.250-Inch Outer Diameter
- Rigorous In-House Dimensional and Fitment Testing
- Ideal for Performance Upgrades and Differential Repairs
- Three-Hour Installation
- Limited Warranty
- Fits 2005-2010 Mustang GT, GT500 Models
| Brand | USA Standard Gear |
| Gear Type | Gear Kits |
| Gear Ratio | 4.88 |
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