Launch harder and add strength to the upgraded differential mounts on your 2015-2023 S550 Mustang and 2024 S650 Mustang with a differential hardware kit from BMR's suspension. Differential hardware can bend or break when big power is applied to the tires. BMRs replacement differential hardware kit (RH017) features Grade 12.9 hardware for the ultimate in strength. This allows you to put as much power down as possible without the fear of inferior hardware cause issues.. Differential hardware can bend or break when big power is applied to the tires. BMR's replacement differential hardware kit (RH017) features Grade 12.9 hardware for the ultimate in strength.. Upgrade for BMR's BK051 and BK054, as well as other diff inserts and lockouts on the market. Designed for street performance, drag racing, and road racing applications. BMR 15-17 S550 Mustang Differential Hardware Upgrade Kit - Zinc plated. Differential Hardware Upgrade Kit, Aftermarket Insert Kits. Grade 12.9 hardware for the ultimate in strength. Fits 2024-Current S650 Mustangs. Fits 2015-2023 S550 Mustangs. Proudly designed in the USA!. 3-4 hour installation time. Proudly made in the USA!. BMR Suspension - RH017. Durable zinc finish. Differential Bolts. Differential Bolt

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