Magnum's 4500 Series rear disc brake kits are the perfect complement to our 4000 Series front disc brake kits and for use on vehicles that weigh 3,000 lbs. and up. These kits use stock GM rear calipers (P/N 4760) with an integral parking brake for a clean all-inclusive installation. For customers utilizing drive shaft mounted park brake systems, Magnum offers the stock GM front calipers (P/N 4750) for use on the back in place of the GM park brake caliper. 4500 Series rear kits are available for popular Ford rear axle ends including, early big bearing, small bearing, 8.8, and late big bearing flanges. We also have 2 variations of this kit to accommodate the 2.375" axle offset (4500 Series) and the 2.500" axle offset (4590 Series) and 2 axle center register diameters, 2.430" (-1 series) or 2.780" (-2 series). Kits feature 11" x 1" vented grey iron rotors in most popular 5 lug bolt patterns, caliper mounting brackets, all necessary hardware and detailed installation instructions. Our CR-Series kits are complete and include calipers and pads, GM calipers and pads also sold separately.
All 4500 Series rear disc brake kits accommodate a 2.500" axle offset
See chart to find the correct application for your vehicle.