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BMR's polyurethane differential bushing kit for 2015–2017 S550 and S650 Mustang replaces the factory rubber mounts with 95‑durometer polyurethane bushings finished in red. The kit reduces differential movement and pinion rise for improved rear traction during launches and spirited driving, and includes heavy‑duty hardware for higher‑power applications. Installation is typically 3–4 hours; made in the USA.
BMR 15-17 S550 Mustang Differential Bushing Kit (Polyurethane) - Red
