These tanks are designed to fit between the frame rail and rearward of the axle on 1947-53 first series Chevy/GMC trucks. Please specify year. By moving the tank out of the cab, you gain much needed room to allow for further customization, also increases fuel capacity and safety! Made of heavy gauge aluminum, these tanks offer a light weight design and are fully baffled. Includes: • 19 Gallon Aluminum Fuel Tank • All mounting hardware Available in side or bed fill,