Turbosmarts FPR800 is a motorsport proven fuel pressure regulator capable of supporting up to 800HP fuel systems. With Stainless Steel valve and seat, MILSPEC diaphragm and industry leading 1:1 fuel ratio control, theres no application to harsh for the FPR800. Available in Black, Blue, Red and Purple the FPR800 is easily at home in 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. EFI fuel regulator 3 x 1/8″ NPT ports 1/8″ 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 providing maximum integrity and reliability Suitable for all fuel types Operational between -35ºC to +200ºC MILSPEC diaphragm Reference port is 1/16 NPT with hose end nipple supplied Manufactured, Assembled and Validated in-house at Turbosmart HQ. WCA Performance Store was created with a vision in mind. We are aftermarket automotive specialists and carry all major brands for sport compacts, imports, domestics, trucks, and diesel. We are able to have the parts you want at the lowest prices and best service. Thanks for your visit and happy shopping! Browse our latest collection. Please message us for details if needed. Your complete shopping satisfaction is our #1 priority. All return item(s) must be unused and sent back in its original condition. Why customers love us? Exactly as described and pictured.