FDL Pro-Series Front Hub Kits offer complete disc brake upgrade solutions for OEM drum brake spindle applications for the popular Chevy 1949-1954 Passenger and 1953-1962 Corvette vehicles. Based on the venerable forged billet Dynalite caliper with red powdercoat finish and 12.19” x .81 Drilled & Slotted rotors. This kit requires no modifications for installation, and provides plenty of clearance inside most popular 15” or 16" wheels. FDL Pro-Series kits can be used with either manual or power boost master cylinders. Brake lines not included. See Wheel Clearance Diagram to ensure wheel fitment.