Turbosmart’s newest High-performance EFI fuel pressure regulator is smaller, lighter and better! Now 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 diaphragm and stainless steel valve + seat allow for ANY fuel type including E85 and is suitable for engines with up to 800hp fuel systems. FPR’s feature a non-directional bias to regulation, so no matter where the fuel comes in they will regulate the same. All Turbosmart FPRs are CNC machined in house from billet aluminium + stainless steel and hand-assembled and tested to ensure maximum precision. Making Automotive Dreams a Reality. Mitsubishi Eclipse / Talon DSM. Mitsubishi Evo 8 / 9. Subaru BRZ / FR-S / GT-86. Turbosmart High-Performance Fuel Pressure Regulator FPR 800 2017 1/8 NPT – Blue. The FPR range features an easy screw and lock adjustment and provide a stable 1:1 ratio between fuel pressure and manifold pressure. Each FPR is backed by a variety of accessories such as fuel rail adapters, gauges and fittings to suit most popular makes and models. A fuel pressure regulator? S job is to maintain constant fuel pressure above the intake manifold pressure. Questions about this item? International Buyers – Please Note. We welcome your inquiry!