This Aeromotive A100 Gen-II is a high performance fuel injection (EFI) fuel pressure regulator. It features a new body which has been profiled to reduce size and weight. Adjustable between 40-75 psi, and designed for medium to high horsepower applications. Featuring Aeromotive's high flow design, legendary durability and superb pressure control, it is suitable to be used with petrol, ethanol, methanol and diesel.New patented design which features a high quality black anodised finish. Both inlet and outlet have AN spec ORB (o-ring boss) style portsSupplied with a mounting bracket and has a dedicated 1/8" NPT fuel pressure gauge port1:1 Vacuum/boost reference capabilityAvailable with either ORB-06 or ORB-08 outlet/inlet ports, both versions have a ORB-06 return port. The ORB type fittings are specially designed to work with Aeromotive fuel pressure regulators and fuel pumps, and CNC machined from billet aluminium for a more precision fit.