You are bidding on an OEM GM Twin dual cam engine service manual supplement for the 3.4 Liter Engine V6 Chevy, Pontiac, and Oldsmobile vehicles. This book is in Good shop used condition with Light to Moderate wear, soiling, and creasing to the covers. GM # ST 503-91 SUPP 3.4L This manual is the General Motors OEM Dealership manual. The same manual used by the dealership mechanics while working or your vehicle. These manuals are so much better than the off brand manuals out there. This manual has detailed service information, exploded drawings and detailed instructions all directly from GM!This Manual Includes the Following Sections: Maintenance and Lubrication Heating and Air Conditioning Steering, Suspension, Tires, and Wheels Drive axle Brakes Engine Transaxle Accessories This manual measures 8-1/2" x 11" x 3/8" thick, and has about 200 pages.Thanks for your interest, and please ask any questions you may have! Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.