Considering Pro Street cars really can't be built ... and comes with excellent instructions. Once the suspension pieces are assembled on the rear subframe, it is set on jackstands and shims ...

See All 23 Photos DO: Tailor the rear suspension to the use of the car. The single defining element of a Pro Street car is a set of super-fat tires in back, and that requires narrowing the ...

This month, we upgrade a '89 Mustang LX with UPR Products' Pro-Series rear suspension and adjustable ... grip at the track without sacrificing street performance. DMC Racing of Halifax ...