Turbosmart Fuel pressure regulator AN10/AN8 M Pro Black The Turbosmart FPR Pro 10 Series provides market-leading fuel control and response via true 1:1 ratio and superior flow and bypass capacity for vehicles with -10 / 10AN fuel feed and -10 / 10AN return fittings. Utilising our Stainless Steel Valve Seat & Milspec Diaphragm, the FPR10 Pro Series suits all Fuel types, including Race Fuel and aggressive leaded fuels. Characteristics 10AN Inlet and Return 4 x 8AN Fuel Distribution Stainless Steel Valve Seat Suitable for all fuel types 1:1 Class Leading Ratio & Response Adjustable Pressure 1/8 NPT Pressure Sensor Port Unique Locking Collar Design Milspec Diaphragm 50-100psi (Mechanical Pump) 0-130psi (Electric Pump)