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7L V8 1973 - 1974 GMC C35/C3500 Pickup 350/5
Power band: 1500-6500 RPM
see Fitment Guide below for the correct installation kit for your application)
1x Return Fuel Line (5/16 inch Diameter)
GM LS 58X EFI HARNESS KIT - 558-502 h-pipe 7L V8 1973 - 1974Overview: An EFI system depends heavily on being supplied a clean and constant voltage source. The grounds of an electrical system are just as important as the power side. Our Holley EFI Harness Kit comes complete with the main harness, power harness and injector harness to support your primary system! Features: Harness Kit Includes; Main Power Harness, LS2 Main Harness & V 8 Injector harness Simple Installation Works with HP or Dominator ECU's
