UPR Chrome Moly LS Swap K-Member Kit w/ Urethane Mounts (2005-96K-107) - 1979-1993 Mustang
Take your Fox Body build to the next level with the UPR Chrome Moly LS Swap K-Member Kit, the ultimate solution for installing an LS-based engine into your 1979-1993 Mustang. Designed for serious performance enthusiasts, this complete package delivers unmatched strength, reduced weight, and the clearance needed for high-performance LS swap builds. Whether you're building a street machine or a track-ready car, this system provides the foundation for reliable power.
Constructed from premium 4130 seamless chrome moly tubing, this K-member system is engineered to handle extreme abuse while reducing front-end weight by up to 70 pounds. The included LS adapter plates allow you to mount standard LS engines such as 5.3L and 6.0L blocks using proven 4.6 Mustang motor mount geometry. With improved header and oil pan clearance, compatibility with popular swap headers, and a complete coilover system with tool-free ride height adjustment, this kit is built for both performance and ease of installation.
Features
- Designed specifically for LS engine swaps into 1979-1993 Mustangs
- Includes LS adapter plates for 5.3L, 6.0L, and LS-based engines
- Constructed from high-strength 4130 seamless chrome moly tubing
- Saves approximately 70 lbs compared to factory K-member and A-arms
- Improved header and oil pan clearance for swap applications
- Compatible with popular long tube swap headers
- Includes tubular A-arms and front coilover kit
- Tool-free ride height adjustment with secure locking set screw design
- Includes urethane motor mounts for improved durability and control
- TIG welded in billet fixtures for precision and strength
- Silver powder coated finish for corrosion resistance
- Includes rack bolts and choice of offset or standard rack bushings
- Made in the USA with premium materials
What's Included
- Chrome moly tubular K-member
- Chrome moly tubular A-arms
- Front coilover kit
- LS adapter plate kit
- 4.6 style motor mount kit (urethane or solid based on selection)
Optional Upgrades
- Viking Coilover Springs: Select spring rates to match your build and intended use.
- Hardware Kit Standard: Grade 10.9 hardware for secure installation.
- Hardware Kit Master: Expanded hardware package with additional OEM-style fasteners and retaining components.
- Bolt-On Tow Hooks: Add tow hooks for track use and recovery convenience.
Installation
This kit can typically be installed in approximately 3-6 hours using standard tools. Factory hardware must be reused unless an optional hardware kit is selected. Some aftermarket motor mounts may require minor trimming of the locating tab for proper fitment.
Additional Notes
- Designed for LS engine swap applications using adapter plates
- UPR recommends use of a bump steer kit for optimal suspension geometry
- Caster camber plates are required due to increased load on the strut towers
Fitment
- 1979 Ford Mustang LX
- 1980 Ford Mustang LX
- 1981 Ford Mustang LX
- 1982 Ford Mustang LX
- 1983 Ford Mustang LX
- 1984 Ford Mustang LX
- 1985 Ford Mustang LX
- 1986 Ford Mustang LX
- 1987 Ford Mustang LX
- 1988 Ford Mustang LX
- 1989 Ford Mustang LX
- 1990 Ford Mustang LX
- 1991 Ford Mustang LX
- 1992 Ford Mustang LX
- 1993 Ford Mustang LX
- 1979 Ford Mustang GT
- 1980 Ford Mustang GT
- 1981 Ford Mustang GT
- 1982 Ford Mustang GT
- 1983 Ford Mustang GT
- 1984 Ford Mustang GT
- 1985 Ford Mustang GT
- 1986 Ford Mustang GT
- 1987 Ford Mustang GT
- 1988 Ford Mustang GT
- 1989 Ford Mustang GT
- 1990 Ford Mustang GT
- 1991 Ford Mustang GT
- 1992 Ford Mustang GT
- 1993 Ford Mustang GT
- 1993 Ford Mustang Cobra
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
