Turbosmart's FPR800 is a motorsport-proven fuel pressure regulator that supports up to 800HP fuel systems. With a Stainless Steel valve and seat, MILSPEC diaphragm and industry-leading 1:1 fuel ratio control, there's no application too harsh for the FPR800. Available in Black, Blue, Red and Purple, the FPR800 is easily at home in a race application or modified street car.Featuring two 1/8' NPT inlet ports, one 1/8' NPT return port and 1/8' gauge port, 30-90 PSI base pressure adjustment, 1:1 ratio, premium MILSPEC diaphragm and stainless steel valve + seat allow for ANY fuel type including E85 and is suitable for engines with up to 800hp fuel systems. Turbosmart FPRs feature a non-directional bias to regulation, so no matter where the fuel comes in, they will regulate the same.FeaturesEFI fuel regulator 3 x 1/8' NPT ports1/8' NPT Gauge port Capable of regulating up to 800hp of fuel flow 1:1 manifold pressure ratio with no load losses 30-90psi base pressure range Stainless steel internals provide maximum integrity and reliability Suitable for all fuel types Operational between -35ºC to +200ºC MILSPEC diaphragm The reference port is 1/16 NPT with hose end nipple suppliedManufactured, Assembled and Validated in-house at Turbosmart HQ