62-74 Chevrolet Nova Front and Rear Disc Brake Conversion Combo. Each one of these kits is engineered to fit your classic Nova. From an early 4-lug to a later model 5-lug, we offer them all. Performance braking at an affordable price! Each kit comes with rotors, calipers, pads, brackets, bearings, seals, hardware and a made to fit brake booster master cylinder combo. It even comes with the proportioning valve. Please use 15 inch or larger wheels with the 4 lug kits. The 5 lug kits allow use of 14 inch wheels.