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
Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
USA Standard Gear 8.8-Inch Rear Axle Ring and Pinion Gear Kit with Install Kit; 3.55 Gear Ratio (05-10 Mustang GT, GT500)
Item 435335
$0.00
Our Price
$568.89 kit
Ship to: 43215
Please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
Will this fit your Vehicle?
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Product Information
Features, Description, Q&A, Specs & Installation
Features & Specs
- USA Standard Gear 8.8-Inch Rear Axle Ring and Pinion Gear Kit with Install Kit; 3.55 Gear Ratio
- Complete Gear and Installation Kit for 8.8-Inch Rear Axles
- With 3.55 Ratio Offers Balanced Torque and Highway Efficiency
- Includes Bearings, Shims, Seals, and Hardware
- Ideal for Regearing After Tire or Power Modifications
- Engineered From Heat-Treated Steel for Strength and Longevity
- Machined to Tight Tolerances for Quiet Operation
- Compatible With Open, Limited-Slip, and Locking Differentials
- Fits 2005–2010 Mustang GT and GT500 Models
| Brand | USA Standard Gear |
| Gear Type | Gear Kits |
| Gear Ratio | 3.55 |
Description
Balanced Regear Solution for Street and Performance Builds. The USA Standard Gear 3.55 Ring and Pinion Kit provides the ideal gear ratio for daily driving, towing, or mild track use. Whether upgrading from factory 3.31s or correcting power delivery after a tire change, this kit improves throttle response and helps restore driveline efficiency across various conditions.
All-in-One Kit With High-Strength and Reliable Components. Each component in the kit—from the ring and pinion to bearings and seals—is designed to withstand torque stress while maintaining minimal gear noise. The included install kit ensures you have the necessary hardware for a full rebuild without tracking down individual parts.
Installation. This product installs as part of a full axle rebuild; professional setup with correct shims and preload settings is recommended.
Application. This USA Standard Gear 8.8-Inch Rear Axle Ring and Pinion Gear Kit with Install Kit; 3.55 Gear Ratio fits 2005–2010 Mustang GT and GT500 models.
USA Standard Gear ZGK2045
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ring Gear
- (1) Pinion Gear
- (10) Bearings
- (1) Install Kit
- (1) Seal Kit
- (1) Instruction Sheet
3.8
Reviews of USA Standard Gear Drivetrain Products (4)
Reviews of USA Standard Gear Drivetrain products have an average rating of 3.8 out of 5
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Mustang
- Bullitt - 08, 09
- GT - 05, 06, 07, 08, 09, 10
- GT500 - 07, 08, 09, 10
