Part Notes: Bravada/Envoy/Trailblazer; 113" Wheelbase; With 4.10 Ratio; With Active Brake Control;Bravada/Envoy/Trailblazer; 113" Wheelbase; With 4.10 Ratio; Without Active Brake Control; Without Limited Slip;Bravada/Envoy/Trailblazer; 129" Wheelbase