UPR 1979-2004 Mustang Adjustable Rear Spring Mount & Springs 2007-100

UPR's Adjustable Rear Spring Mount allows the use of a smaller diameter racing style spring in place of the factory spring to allow for more tire clearance with or without mini tubs. When the stock spring location is required by class rules, and you want to tune your suspension with different spring rates, this is THE solution . The fully adjustable upper spring mount allows you to install springs of different heights and rates to fit any tire size or adjust ride height up to 1 3/4" at the spring. We offer a full line of Viking springs to be used anywhere from Street, Road Race and Drag Race applications.

 

*The factory rear spring rate on most Foxbody Mustangs were said to be in the 13.5in, 185lb range, some say the 4 cylinder springs were as low as a 145 lb rate.  As you go shorter in length, you need to go up in rate to compensate.  For a factory-like ride quality you can choose a 12"200lb spring and adjust your ride height.  Go with a lighter spring for drag racing or a heavier / shorter spring for performance handling. 

Quality Construction: Tig welded in Billet fixture and adjusted CNC Machined for a perfect fit.

* Adjustable Rear Spring Mount
* 2 Hour Install
* For use with 2.5" Coil Over style Springs
* Viking Springs Included
* Ride Height is Fully Adjustable
* Requires welding

 

Installs in 3 hours or less. Requires welding in the mounting plate.

 

FITMENT:

Fits these Vehicles: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003* 2004* GT V8 Mustang Roush & Saleen Vehicles. * Does not fit on Cobra with factory IRS.