BMR rear lowering springs for 1978–1987 GM G-body drop the rear about 1.5 inches while improving axle control and handling. The SP037 pair feature dual-rate rear springs built from chrome-silicon high-tensile wire, cold-wound, stress-relieved and shot-peened, then computer-tested and finished in red powdercoat with a lifetime warranty. The dual-rate design delivers support in corners while retaining a comfortable ride; install is about 1 hour.
BMR 78-87 G-Body Rear Lowering Springs - Red