Lowers the rear of your 1978-1987 GM G-body 1.5-inch;Improves handling and ride quality;Manufactured from chrome silicon high-tensile spring wire;Cold wound on a CNC Coiling Machine to exact specifications;Lifetime warranty against spring sag;Stress-relieved at 750 degrees F;Shot-peened;Computer tested for accurate height and spring rate;Made in the U.S.A.;Does not work for Station Wagons
