The FAST Precision-Flow Fuel Injectors for GM Gen IV engines are the highest flowing injectors available and are uniquely designed for direct installation into LS2 and LS3/LS7 style engines. Available in 2 different height configurations and a wide range of flow rates, the injectors are correctly sized (shorter than common LS1/LS6 injectors) and feature the correct EV6/USCAR connector, enabling a hassle-free plug-in operation.