BMR 67-72 A-Body Lowering Spring Kit (Set Of 4) - RedLowers your 1967 1972 GM A body 2 inch; Improves handling and ride quality; 521lb in front spring rate; 200lb in rear spring rate; 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. This Part Fits: Year Make Model Submodel 1967