Hub Rotor, Disc Brake, 1/2" Studs 8 Lug, Caliper 77-7K LB and Mounting Bracket 77-7K-DBB 8 X 6.5 Bolt Pattern

The Rotor Hub Purpose is to Ensure the Braking Force is Effectively Transferred From the Caliper to the Disc.

The Dacromet  Plating is a Great Protectant for Salty Conditions.