Magnum’s 4200 Series front disc brake kits are specifically designed for lighter weight applications under 2,000 lbs. such as T-Buckets and Hi-Boys and offer outstanding stopping power combined with a compact installation and great looks. Our 4200 Series kits are available for applications using `37-`48 Ford or Magnum spindles. These kits include CNC machined 356-T6 aluminum hubs with matching grease caps in most popular 5 lug bolt patterns, premium 11" x .375" grey iron rotors, machined steel caliper mounting brackets for use with either 2 or 4-Piston Wilwood calipers, bearings, seals, spindle nuts/washers, hardware, and detailed installation instructions. Magnum Suspension is a warehouse distributor for Wilwood Engineering and we stock a full selection of Wilwood calipers, master cylinders, and much more to complete your brake kit installation, call our sales department for more information.