Gripp Progressive Rate Lowering Spring Kit Note: Fits Cobra Models Only The popular Gripp performance lowering spring kits have been the number one choice of Mustang owners for over a decade. Available in both specific and progressive rage versions, all Gripp spring kits are developed by the BBK engineering team to offer the best possible ride quality for everyday use. All lowering springs come in kits of four springs and are designed to lower your vehicle approximately 1-1/2 inches. Improved Handling, Improved Ride Stance, Highest Quality Stress-Relieved Materials, Custom Wound, ower 1-1/2inch
