The Injector Dynamics 1300 cc fuel injector is perfectly suited to the 5.0 lt FG and FGX, this injector will idle well and give great MPG. This injector has a all stainless steel internal. It is comparable with all known fuels. Each set will come with wiring adaptors so there a direct plug in (when required). This injector is a must if you are going to make good power. The nominal flow rate is 1340 cc @ 3 bar using gasoline. Suitable for petrol and E 85. This is a set of eight injectors. The Injector dynamics part number is 1300.60.14.14B.8-PU. 00