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The BMR rear drag lowering spring for 2015–2023 S550 and 2024 S650 Mustang is tuned for drag applications with a 980 lb/in rear rate to support traction and weight transfer while lowering the car. CNC cold-wound from chrome-silicon wire, each spring is stress-relieved, shot-peened and computer tested. Red powdercoat finish protects appearance and BMR offers a lifetime warranty against sag; typical install time is 2–3 hours.
BMR 15-17 S550 Mustang Rear Drag Version Lowering Springs - Red
