CPP 11.65” Rear Disc Brake Conversion Kit 1/2-Ton Chevy/ GMC Truck 55-59 w/ Staggered Calipers

Maintain your existing leaf spring and staggered shock configuration while converting the rear drum brakes on your 1955-1959 1/2-Ton Chevy or GMC Truck with the CPP rear disc brake conversion kit. The staggered caliper arrangement positions 1 caliper ahead of the rear axle and the other behind it, providing clearance around the factory suspension components. Built for factory rear axle housings with a 6x5.5” bolt pattern, the kit includes 11.65” 1-piece cast iron vented rotors for heat dissipation.

Features and Benefits:
- Converts factory rear drum brakes to disc brakes
- Staggered calipers provide clearance around factory leaf springs and shock mounts
- Positions 1 caliper ahead of the rear axle and the other behind it
- Maintains the existing staggered shock configuration without suspension modifications
- 11.65” 1-piece cast iron vented rotors help dissipate braking heat
- 6x5.5” bolt pattern maintains the specified wheel mounting configuration
- Single-piston cast iron calipers feature 2.125” diameter pistons
- Natural cast iron caliper finish maintains an uncoated appearance
- Includes rubber brake hoses for flexible hydraulic connections
- Universal rear disc conversion lines support brake plumbing
- Includes mounting brackets and hardware for component installation
- Requires a minimum 15” wheel diameter for brake clearance
- Staggered caliper configuration does not include a parking brake provision

Single-piston cast iron calipers feature 2.125” diameter pistons and a natural finish. Rubber brake hoses, universal rear disc conversion lines, mounting brackets, and hardware are included for the hydraulic connections and component mounting.

Vehicle Fitment:
- 1955-1959 Chevy 3100 (Task-Force)
- 1955-1959 GMC 100 (Blue-Chip)

Please Note: 15" or larger wheels are required.