FASS (T F14 125G) Titanium Series Fuel Air Separation System for Ford F-250/F-350 Power Stroke Engine, 125 gph/55 PSI Consistent Engine Performance Increased Fuel Economy and reduces the effects of "Hot Fuel" Increased horsepower and improved all-weather performance Easier / Quicker starts, improved all-weather performance The Dieselstore.com is an authorized Fass Dealer, so get the maximum out of your product and warranty. We have specialists that can help with advice and installation.