This CD includes scans of 3 Chevrolet illustrated chassis (mechanical) and body parts catalogs covering the years 1929-1955, 1929-1956, and 1929-1957. You will find illustrations and the original part numbers, which are still useful today because most parts vendors still use GM's numbers to keep track of their parts. Use this CD to make your search for parts both quicker and easier. The illustrations will help you to identify parts, and the exploded views can aid you with assembly or disassembly of some parts of the vehicle. Covers engine, clutch , cooling system, grille, oil system, chassis, electrical, fuel, exhaust, carburetion, transmission, brakes, axles, steering, frame, springs, bumper, sheet metal, hear, air conditioning, instruments, and body. You can identify if the parts you are buying are original and complete; if you're missing parts, you can use the CD to see what you should have. If the same part number is used for more than one year, you can also find out interchange between the different years and models covered on the CD. The books on the CD have good coverage of 1953-1957 Corvettes, 1949-1957 half ton, three quarter ton, one ton trucks, & 1.5 ton trucks, and 1949-1957 cars, including 150, 210, Biscayne, Bel Air, Impala, Stylemaster, Fleetmaster, Fleetline, Styleline, Wagons, Nomad, and Sedan Delivery. It's especially good for 1955, 1956, and 1957 models, because it includes plenty of illustrations for those years. The CD also inclues parts books for older Chevys. Buy now to own this factory information.