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The BMR rear handling lowering spring for 2015–2023 S550 and 2024 S650 Mustang adds rear support with a 980 lb/in linear rate to keep the chassis flat during aggressive cornering. Created for road course and autocross use, the spring is CNC cold-wound from chrome-silicon wire, stress-relieved and shot-peened for durability, then computer tested at the factory. Finished in red powdercoat and covered by BMR’s lifetime warranty against sag.
BMR 15-17 S550 Mustang Rear Handling Version Lowering Springs - Red
