Product Description
Maximize your Ford 8.8 Differential with this Ford Performance Upgrade Kit!
Kit Includes:
- Axle Girdle Cover Kit
- 3.73 Gears & Installation Kit
- Royal Purple Max Gear 75W-140 High Synthetic Gear Oil (2 qts.)
Axle Girdle Cover Kit
- Fits 8.8" axle
- Compatible with:
- 1986–2014 Mustang GT
- 2007–2014 Shelby GT500 (except 2013–2014 Track Pack option)
- Lightweight 356T6 aluminum casting replaces the factory rear cover
- Low-profile design for improved clearance
- Load bolts provide extra support for differential bearing caps
- Helps extend ring and pinion gear life
- Note: Will not fit IRS (see part number M-4033-G3)
- Important:
- Check exterior clearance to chassis/suspension
- Optional differential cooler on 2013–2014 Shelby GT500 requires modifications
3.73 Gears & Installation Kit
- 3.73 gear ratio for improved acceleration
- Includes Ford Performance friction modifier for smooth operation and reduced chatter
- Complete installation kit with:
- Pinion bearing
- Carrier bearings
- Pinion seal
- Ring gear bolts
- Pinion nut
- Crush sleeve
- Shims
- Marking compound
- Proudly made in the USA!
This Ford Performance Ring and Pinion Set is engineered to boost your Mustang’s acceleration. Designed for Mustangs with an 8.8" rear end, this kit provides everything you need for a quick and easy installation.
Product Videos
Custom Field
Fitment 86–14 Mustang GT │ 07–14 Shelby GT500 (excl. 13–14 Track Pack)
