UPR Suspension Pro-Extreme Rear Kit Mustang With Solid Rear Axle 1999-2004



  • Proudly Made in the USA!
  • Heat Treated Steel
  • Grade 8 Mounting Hardware
  • Suspension Upgrade

UPR Pro-Extreme Rear Suspension Kit for all 1999, 2000, 2001, 2002, 2003 and 2004 Mustangs with a Solid Rear Axle.

Does your 1999-2004 Mustang use a solid rear axle? With this UPR Pro-Extreme Rear Suspension Kit (1999-K-R-99) from CJ Pony Parts, you can allow this axle to take some serious abuse no matter what you are doing!

Features and Benefits:
- Fits 1999-2004 Mustangs with Solid Rear Axle
- Constructed from Indestructible Heat Treated Steel
- Includes Grade 8 Mounting Hardware (Upper and Lower Control Arms)
- Large Heim Joints and Heat Treated Steel Bushing Sleeves (Upper and Lower Control Arms)
- Upper and Lower Control Arms are Fully Tig Welded in Billet Steel Fixtures
- Proudly Manufactured in the USA!
- Silver Zinc Finish and Silver Powder Coated Finish
- 4130 Chromoly Seamless Tubing (Lower Control Arm)

This Pro-Extreme Rear Suspension Kit is made by UPR to upgrade the suspension on your 1999-2004 Mustangs with a solid rear axle. The rear lower control arms feature 4130 chromoly .083 wall thickness seamless tubing that is CNC-machined and TIG-welded in billet steel fixtures for a perfect fit every time! Its bushings are made of 7075 billet aluminum plus high strength performance alloy rod ends. Upper control arms feature chromoly formed boxes that have been revised with a gusset to eliminate any flex or unwanted distortion from ultra high horsepower Mustangs. The 4130 chromoly threaded adjuster system allows these bars to be fully in-car adjustable on the fly or between rounds in the lanes. Setting your pinion angle just got so easy that it can be done in just minutes. All parts are fully CNC-machined and TIG-welded in billet steel fixtures to ensure a perfect fit. UPR's silver zinc plating will withstand the elements and resist corrosion. Last but not least, both upper and lower control arms have all grade 8 hardware, heat-treated steel bushing sleeves, and oversized heavy duty heim joints. The UPR Pro-Extreme Rear Suspension Kit (1999-K-R-99) is proudly manufactured in the USA!

Kit Includes:
- Chromoly Single Adjustable Race Lower Control Arms
- Chromoly Double Adjustable Race Upper Control Arms
- Double Anti-Roll Bar with Roller Bearings
- 7075 Billet Spherical Housing Bushing Kit

Vehicle Fitment:
- 1999-2004 Mustang with Solid Rear Axle

*The UPR Double Anti-Roll Bar will NOT work with stock tailpipes.

Please Note: The UPR Rear Suspension Kit will NOT work on 1999-2004 Cobra Mustangs with an IRS Rear Suspension.

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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