Turbosmart Fuel pressure regulator AN10 Sleeper The Turbosmart FPR10 series provides market leading fuel control and response via true 1:1 ratio and superior flow and bypass capability for vehicles with -10 / 10AN fuel systems. Using our stainless steel valve seat and Milspec diaphragm, the FPR10 series is suitable for all fuel types including racing fuel and aggressive leaded fuels. Characteristics Stainless steel valve seat Suitable for all fuel types 1:1 Class-leading ratio and response Adjustable pressure 1/8 NPT pressure sensor port Unique design with locking collar Milspec diaphragm 35-80 PSI Handles up to 3000hp