DRP Front Hub Low Drag Kit HYBRID Mustang ll Rotor Parts Kit DRP 007-10531K1 DRP Front Hub Low Drag Kit Hybrid Kit Includes: Hybrid Bearing Pre-Loader Spacer Low Drag Bearing Kit Ultra Low Drag Hub Seal Lowers rolling resistance Reduces Friction and Drag Reduces Temperature Increases hub free spin Bryke Racing Part #: DRP 007-10531K.