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Fuel Air Separation System, known as the FASS, and High Performance Fuel Pumps, known as the HPFP, have had the privilege to be part of some of America’s favorite racing, pulling and off-road teams! FASS products are manufactured and assembled for your Dodge Cummins, Ford Powerstroke, and Chevy/GM Duramax entirely in the United States of America. They are respectful members of Specialty Equipment Market Association (SEMA) and attend the shows regularly.

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