Talk to a Mustang Sales Tech
1-877-887-1105
M-F 8:30A-11P, Sat-Sun 8:30A-9P
$12K Summer Sweepstakes! Enter Now >

USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit with Install Kit; 3.73 Gear Ratio (05-10 Mustang GT, GT500)Find parts that fit my vehicle

Item 435329
$0.00
Want $10? Write one of the first 5 reviews 3.8 USA Standard Gear Drivetrain product ratings
Our Price

$1,260.89 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?

Select a different vehicle Help?
Update or Change Vehicle
    Create a list
    Add to New List

    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 Posi Rear Axle Ring and Pinion Gear Kit for Improved Traction
      • With 3.73 Gear Ratio for Optimized Acceleration and Highway Performance
      • Includes a Complete Installation Kit with Bearings, Seals, and Shims
      • High-Quality Steel Construction for Strength and Longevity
      • Designed to Improve Power Transfer to the Rear Wheels
      • Reduces Wheel Slip for Better Traction in Performance Driving
      • Precision-Machined for a Factory-Like Fit
      • Fits 2005-2010 Mustang GT, GT500 Models

      Description

      Enhance Performance with an Upgraded Rear Gear Set. The USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit is designed for Mustang owners looking to improve acceleration and traction. The 3.73 gear ratio balances quick off-the-line response with comfortable highway cruising.

      Durable and Precision-Engineered for Maximum Performance. Constructed from high-quality steel, these gears offer excellent strength and longevity. The included installation kit ensures a secure fit, reducing drivetrain noise and ensuring smooth power delivery.

      Installation. This product requires professional installation due to precise setup requirements for gear alignment and backlash.

      Application. This USA Standard Gear 8.8-Inch Posi Rear Axle Ring and Pinion Gear Kit fits 2005-2010 Mustang GT, GT500 Models.

      USA Standard Gear ZGK2039

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 4 Hours

      Difficulty Level:

      Mechanical expertise or professional installation required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Ring and Pinion Gear Kit
      3.8

      Reviews of USA Standard Gear Drivetrain Products (4)

      Brand Image

      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