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1968-1974 GMC C25/C2500 Pickup
1970-1974 Chevrolet El Camino 400 CID
1978-1979 Dodge Magnum
1969-1969 Chevrolet Townsman 427 CID
While these pumps have the capability to feed stout race engines
GM 58X EFI HARNESS KIT - 558-501 performance-exhaust-mufflers 1968-1974 GMC C25/C2500 PickupOverview: 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 & LSX Injector harness Simple Installation Works with HP or Dominator ECU's
