Upgrade the stopping power of your 1973–1987 Chevy or GMC Square Body truck with this premium Rear Disc Brake Conversion Kit. Designed with a 5x5" bolt pattern, this kit is a direct fit for the rear of your truck and comes standard with GM ratcheting calipers for reliable performance. It’s also an excellent choice for GM pickups converting to the popular 5 lug pattern or replacement. Installed offers improved braking response and shorter stopping distances from 60 to 0 feet.
Built for strength, performance, and ease of installation, this kit includes solid or vented rotors for better cooling, D154 calipers with pads, and all the necessary brackets, hoses, and hardware to complete your rear disc brake upgrade. Choose between are different choices with Drilled and Slotted or solid rotors or black or red calipers using high quality powder coating.
Kit Features and parts included:
- Fits 1973–1987 Chevy & GMC Square Body trucks, Blazers, Jimmys, and Suburbans (5-lug)
- Improves braking performance and driver control
- Ability to choose between solid and slotted brake rotors
- GM D154 calipers with brake pads and ability to choose between caliper color
- Brake hoses and banjo bolts included
- Caliper mounting brackets (3.375" x 2.625" flange measurements)
- All required installation hardware
Rotor Specifications:
- Rotor diameter: 11.625"
- Rotor thickness: 1.050"
- Overall height: 2.375"
- Hat height: 1.375"
- Hat thickness: .250"
- Index hole diameter: 3.090" (5-lug)
- Minimum wheel size: 15" disc brake type
Upgrade your classic GM pickup’s rear braking system with a kit designed for performance, reliability, and a perfect fit. Ideal for restorations, performance builds, and daily drivers alike. We suggest checking out these parts to see if you need 1973-87 Square Body Chevy & GMC Disc Brake Dust Shields 2WD, pair or 1973-87 Square Body Chevy & GMC Truck Power Brake Booster Kit
