Holley offers a full line of high performance inline fuel pumps. These Holley electric in-tank fuel pumps have a lightweight. compact design to fit most EFI applications, including turbo and supercharged. These Holley products are QS9000 certified and made in the USA! The 12-940 universal in-line fuel pump is intended for Throttle Body EFI systems up to 500 horsepower. It is designed to work in-line, or inside the tank, so installation is a snap. The 12-940 is rated for continuous duty service and have been tested up to 2,500 hours.