Turbosmart's Fuel Pressure Regulators (FPR) series is a range of proven motorsport universal fuel pressure regulators suited to a wide range of high-performance tuning applications.Dual inlet to single outlet configuration for easier installs.1:1 manifold pressure ratio with no load.Stainless steel internals for reliability1/8 NPT gauge portSuitable for all fuel typesReliable MILSPEC diaphragmOperational temperature range -35 to +200°CDesigned to cope with high flow rates on very high horsepower engines the Turbosmart fuel pressure regulators feature special internals to allow them to be used with all types of fuels including E85. The special internals maintains constant fuel pressure above the manifold pressure, ideally suited to modified fuel systems where pressure adjustments are desired along with maintaining a stable base pressure.The Regulators themselves have been designed to look as good in your engine bay as they perform. Precision engineered from high-quality billet aluminiu