Original 1955-68 Chevrolet Truck Dealer Parts Catalog. This Parts Book covers the 1955 [2nd Series] thru 1965 11/2, 2, 2 1/2 Ton Trucks, 1966 2 1/2 Ton Series 80 C, L, M, T, U Trucks, 1966-68 1 1/2 and 2 Ton Trucks. It is dated Effective October 1, 1967. This is what the Dealer used to order Factory Replacement Parts to Repair your Truck. It has Part Numbers, Group Numbers, Description, Quantity, Application and NO Illustrations. It is in good used condition with minor wear and soiling [see photos]. Very rare and informative tool for the Chevy Truck Owner.