Ford Racing Progressive Rate 1.2"/1" Lowering Spring Kit for 1979-2004 Mustang Coupes and Hatchbacks.These spring kits have been designed to lower your Mustang and improve its handling. There will be some deterioration in ride quality. The height on some cars will vary.
Front spring rates (lb./in) - 460/570.
Rear spring rates (lb./in) - 170/310.
Amount Lowered 1979-2004 (V8):
Front - 1.2"
Rear - 1"
*Will not fit 1999-2004 Cobra."