The BLOX Racing Competition 3-Port adjustable FPRs are designed to offer high performance and reliability. Each FPR unit comes pre-assembled from BLOX and is guaranteed to offer consistency each time the engine is turned on. These billet aluminum units feature in-line -6AN inlet and return ports, -6AN return port on the bottom and 1/8" NPT ports. The BLOX 3-Port FPRs are also compatible with gasoline, diesel, methanol and ethanol.BLOX Competition ADJUSTABLE FUEL PRESSURE REGULATORs are designed to work with aftermarket fuel rails and are available in an assortment of color combinations.Ideal for V8 or other custom applicationsSpecificationsInlet size: -6ANMax. flow: 2.5 GPM @ 25 PSIDAdj. range: 25-90 PSID