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1979-1986 GMC G1500
Port for adding (optional) high pressure safety switch
00-inch muscle car system for the person who is looking for a deep aggressive sound for their high horsepower vehicle
8L L4/110 CID Denim Requires intake adapter CI100020-E
Muffler Series: 60 Series
GM 58X EFI HARNESS KIT - 558-501 Medium Margin 1979-1986 GMC G1500Overview: 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
