Linear 1:1 race fuel pressure regulator type Aeromotive. Resistant to all kinds of fuels AN6 connections. Capable of 1000HP ++ Double IN connections that make it even work for V-engines. AN fittings included. Check this fuel pressure log. Basic fuelpressure 3 bar (300KPA) The most of other regulators on the market can not keep the pressure on rising boost pressure. Our regulators can keep the pressure without problem and even rise the pressure a bit instead! You can see the fuel pressure 530 kpa (5.3bar) at boost pressure 286 kpa ( 1.9 bar) the same quality and durability as Aeromotive and even better! The only difference is the price