Good original 1968 Chevrolet Truck Dealer Chassis Overhaul Service Manual. This Manual covers the Series 10-60 Truck Models for 1968. It covers the repair of the individual components of your Truck. These have Information, Illustrations, Diagrams, Specifications and Procedures. These are what the Dealership used to repair your Truck.  Very informative and useful tool that is hard to find since they were not available to the public.