KODIAK 10" Trailer Disc Brake Assembly, DAC (previously known as S-CAD) Complete One Axle Kit (Complete KIT) Bearings and Seals included. Integral 10" hub and rotor (one piece), 545 wheel bolt pattern. Caliper bracket mounts to 4 bolt brake flange and fits inside 13" and larger wheels. Part Number : 2/HRCM-10-DAC Rotor : Silver Cadmium Plated Caliper : Silver Cadmium Plated Mounting Bracket : Silver Cadmium PlatedInner Bearing: (2) L68149 Outer Bearing: (2) L44649Seal: (2) 171255TBPLEASE NOTE: UFP Axles require seal number 168255 and the rest of the trade uses 171255TB