Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
USA Standard Gear 8.8-Inch 5-Lug Rear Axle; 31-Spline (94-98 Mustang GT, Cobra)
Item 435324
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- Fits Ford 8.8 In. Differential
- 31 Spline
- Length 30 In.
- Rear, 5 Lug
- Includes Axle Shaft, Wheel Bearing, Seal, Differential Cover Gasket, Studs, and Lug Nuts
- Advanced Heat-Treating Results in a Stronger, More Durable Axle
- Designed and Built to Meet or Exceed OE Quality
- Fits 94-98 Mustang GT and Cobra (Requires Upgraded 31 Spline Carrier Case, Aftermarket Heavy Duty Upgrade)
| Brand | USA Standard Gear |
| Spline Count | 31-Spline |
| Axle Placment | Rear |
Description
Durable Axle Replacement. The USA Standard Gear 8.8-Inch 5-Lug Rear Axle; 31-Spline is a comprehensive axle kit designed to replace or upgrade worn or damaged rear axles. It restores the strength and reliability of the Ford 8.8-inch differential, ensuring optimal performance and durability in demanding driving conditions. This axle is essential for enthusiasts seeking improved drivetrain longevity and enhanced power handling.
Construction and Appearance. Manufactured with advanced alloy materials and subjected to state-of-the-art heat-treating processes, this axle kit offers superior strength and durability. The components include all necessary parts such as the axle shaft, wheel bearing, seal, differential cover gasket, studs, and lug nuts, finished to meet or exceed original equipment quality standards.
Installation. Installation requires a moderate level of mechanical skill and involves a direct-fit design with no drilling or fabrication needed, making the replacement process straightforward while maintaining vehicle integrity.
Application. Specifically engineered for 1994–1998 Mustang GT and Cobra models, this axle kit is an aftermarket heavy duty upgrade that requires an upgraded 31 spline carrier case for proper fitment and performance.
USA Standard Gear ZA K630828
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- Rear Axle Assembly
- Wheel Bearing, Seal, and Differential Cover Gasket
- Studs and Lug Nuts are
4.7
Reviews of USA Standard Gear Drivetrain Products (46)
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Mustang
- Cobra - 94, 95, 96, 97, 98
- GT - 94, 95, 96, 97, 98
