Launch harder and add strength to the upgraded differential mounts on your S550 Mustang with a differential hardware kit from BMR Suspension. 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. This allows you to put as much power down as possible without the fear of inferior hardware causing 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. Fits all 2015-newer S550 Mustangs;Upgrade for BMR?s BK051 and BK054, as well as other diff inserts and lockouts on the market;Grade 12.9 hardware for the ultimate in strength;Designed for street performance, drag race, and road race applications;Durable zinc finish;3-4 hour installation time;Proudly designed in the U.S.A.;Proudly made in the U.S.A
