Multi-Port EFI Kits

FiTech Ultimate LS EV1 Fuel Injector Harness 70050-4 EV1 fuel injector subharness for use with FiTech Ultimate LS. 2 needed per engine, sold individually.

FiTech Ultimate LS EV6 Fuel Injector Harness 70050-8 EV6 fuel injector subharness for use with FiTech Ultimate LS. 2 needed per engine, sold individually.

FAST XFI GM Gen IV LS Fuel Injector Harness 301209 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.        

FAST XFI GM Gen III LS Fuel Injector Harness 301202 This injector Harness by Fast features labeled wires and weather pack connectors for easy installation in specified applications.