Wilwood's Classic Series front disc brake kits for Chevrolet Full Size vehicles including 1955 to 1957 Chevy, 1958 to 1964 Impala and 1963 to 1964 Corvette offer disc brake upgrade solutions for OEM Drum spindles. A completely new kit design, featuring a large 11.50" x 1.00" rotor and hub assembly. Based on the Forged Dynalite-M caliper, these versatile kits are easily optioned to suit the braking requirements and style preferences for a daily driveror the most discriminating show enthusiast. Intended vehicle applications require no modifications for installation, and provide plenty of clearance inside popular aftermarket 15" (disc brake) wheels. FDL-M 1 piece kits can be used with either manual or power boost master cylinders. Kits are complete with calipers, rotorsand, hub assembly brackets, hardware.