Walbro bellows pumps are time-tested, reliable units that offer exceptional versatility for carbureted applications. One model fits most domestic cars and trucks. A second number covers most imports.
Walbro bellows pumps provide reliable, positive fuel flow for easier starting and reduced vapor lock problems. They are easy to install, and come complete with installation instructions and mounting hardware.
High performance and adjustable pressure bellows pumps are also included in the Walbro lineup, to satisfy special application needs.
In addition to automotive applications, Walbro bellows pumps are used in a variety of fluid delivery systems in industrial, agricultural and other specialized fields.
Info from autoperformanceengineering web site