Add the safety, reliability and performance of rear disc brakes to your C10 with our GM 12 Bolt Rear End Disc Brake Conversion Kit. In this kit you receive everything you need to mount single piston disc brakes to your GM 12 Bolt Rear Axle. All components used in these kits are new high quality, precision machined products with a zinc plated finish to reduce corrosion and extend the life of your brake system. The heavy duty parking brake caliper will allow you to use your stock parking brake cables to actuate your parking brake.