BMR rear handling springs for S197 Mustang GT/GT500 lower the rear about 1.5 inches and improve chassis control for track use. The SP067 rear springs are dual-rate at 200 lb/in, retain the factory hourglass shape to reduce wheelhop and are manufactured from chrome-silicon wire, stress-relieved, shot-peened and computer-tested, finished in red powdercoat with a lifetime warranty. Installation is about 1–2 hours.
BMR 05-14 S197 Mustang GT/GT500 Rear Handling Version Lowering Springs - Red