BMR Suspension Polyurethane Differential Bushing Lockout Kit for S550 Mustang

BMR Suspension Polyurethane Differential Bushing Lockout Kit for S550 Mustang Reduce wheelhop • Improve rear stability • Preserve NVH comfort Designed specifically for S550 and S650 Mustangs, the BMR Suspension Polyurethane Differential Bushing Lockout Kit (BK051) minimizes differential movement and pinion rise without removing the factory rubber bushings. The result: sharper launches, reduced wheelhop and more consistent rear traction during aggressive driving. High-durometer construction: Molded from 95A polyurethane for exceptional stiffness and long life without significant weight gain. Non-permanent upgrade: Installs over the OE rubber bushing so factory parts remain in place and NVH increase is minimal. Precision fit: Each insert and lockout plate is molded to exact tolerances for repeatable performance and easy installation. Complete kit: Comes in a durable black finish and includes all necessary hardware for a straightforward install. Swap out compliance for control where it matters. The BMR BK051 fills the voids around the differential mounting bolt, drastically reducing bushing deflection and translating to improved handling feel, reduced rear-end movement and better traction under load. Perfect for: Owners who use their S550/S650 Mustang for spirited street driving, track days or drag applications and want a reliable, reversible performance upgrade.