This is an ORIGINAL General Motors Medium-Duty Truck "Model 295 Throttle Body Injection" Service Manual. This manual has super illustrations as well as having in-depth service and repair information for these GM throttle bodies (please see pics). The cover is solid with a boo-boo in the lower left corner. The spline is tight and intact with NO loose or missing pages. This manual contains 150+ clean pages. This manual is in VERY GOOD overall condition. FREE S & H. Thanks for viewing...….Triple K