If you are installing a new set of lowering springs it is a good time to replace your old worn out rubber Spring Isolators with a new set of SR Performance Polyurethane Spring Isolators available from AmericanMuscle.Superior Materials.
These SR Performance Polyurethane Spring Isolators are made from polyurethane that has been impregnated with graphite so they will not dry out and crack like the stock factory rubber pieces.Application.
Designed to replace the stock Rear rubber units found on the 1979-2004 Mustangs these SR Performance Spring Isolators will greatly improve the handling of your lowered pony. Not for use on SVT Cobra's with Independent Rear Suspension (IRS).
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