Wilwood's Classic Series front disc brake kits for Chevrolet and GMC C10 / C15 ½ Ton Trucks from 1964 to 1970, offer disc brake upgrade solutions for OEM Drum spindles. A completely new kit design, featuring a one piece 11.86" x 1.25” rotor and hub assembly. Based on the venerable Forged Billet Narrow Superlite caliper, these versatile kits are easily optioned to suit the braking requirements and style preferences for a daily driver or the most discriminating show enthusiast. Intended vehicle applications require no modifications for installation, and provide plenty of clearance inside popular 15" wheels. FNSL6R 1 piece kits can be used with either manual or power boost master cylinders. Kits come complete with calipers, rotors and hub assembly, brackets, hardware and line kit.