The FAST Precision-Flow 39 lb/hr LS3/LS7 fuel injector is a high-tolerance replacement injector built for consistent idle quality and steady flow in EFI engines. It improves throttle response, reduces clogging and enhances fuel atomization. Offered in height configurations with the correct EV6/USCAR connector, these injectors are sized for LS3/LS7-style installations for a straightforward plug-in swap.
FAST Injector FAST Single 50Lb/hr