Wilwood's Classic Series front disc brake kits offer an economical braking solution for 74-78 Mustang II disc brake spindles. A completely new kit design, featuring a large 11.03" x 0.88” rotor and hub assembly. Now upgraded with a new design dual bolt pattern rotor with screw in ½-20 studs, providing both a 5 x 4.50” and 5 x 4.75” wheel bolt circle options. This Classic Series kit feature the FDL-M four piston forged aluminum Dynalite caliper. 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. FDL-M 1 piece kits can be used with either manual or power boost master cylinders. Kits are complete with calipers, rotors and, hub assembly brackets and hardware. Kit requires purchase of additional brake line kit.