Fuel Injection Kit

FAST Universal Throttle Body Fuel Injection Kit. For use with 4-Barrel Holley 4150 Style Intakes Touch Screen Controller. Fear not, fuel injection fans. FAST has just made it easier than ever to convert your engine from carburetor to fuel injection with these FAST EZ-EFI self-tuning fuel injection systems. The most important feature is the self-tuning operation that does not require