AEM Universal Black Adjustable Fuel Pressure Regulator Ignition>Ignition Controllers The VF9 features a 9

The VF9 features a 9 spoke

Materials are properly distributed for maximum strength

they may not be appropriate for a specific application

quick shifts

which makes having the proper air/fuel mixture in the combustion chamber paramount for best performance

AEM Universal Black Adjustable Fuel Pressure Regulator Ignition>Ignition Controllers The VF9 features a 9AEM's Universal Adjustable Fuel Pressure Regulator (AEM 25 302BK) is capable of supporting enough fuel flow for engines up to 1000 horsepower. Our universal AEM FPR is tapped to accept a 6 AN, or 9 16"x18 fittings and includes a 1 8 NPT port for a fuel pressure gauge or pressure sensor pick up.