Rear Disc Brake Conversion KitThis kit contains all the parts you need to convert your 1973-87 GM ½ ton 4WD pickups and 1973-91 4WD Suburbans from drum to disc brakes. Manufactured from quality materials, these rear conversion kits are designed to bolt directly onto your stock axle and provide you with the performance and durability you expect from a modern brake system. Kit Includes: NEW Single piston black powder coated calipers with built-in parking brake Adapters that allow you to re-use the factory parking brake cables DOT Flex hoses, axle shims and new steel hard lines Semi-metallic brake pads - D347 Stainless steel shim washers to center the caliper assembly Two 11.4" diameter heavy duty vented rotors E-coated mounting brackets All installation hardware Simple instructions for bolt-on installation Application: 1973-87 Chevrolet K10, V10 Pickup 1973-91 Chevrolet K10 Suburban, V10 Suburban, V1500 Suburban 1973-87 GMC K15, K1500, V1500 Pickup 1973-91 GMC K15 Suburban, K1500 Suburban, V1500 Suburban Notes: Fits on stock rear axles 6 lug With upgraded dimple drilled and slotted rotors Black powder coated calipers 4WD This kit is made to order and can take 7-10 business days to ship.