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4L V8 1973 Chevrolet Blazer 454/7
4L V8 1981 Pontiac Grand LeMans LE 267/4
Application Chevy-Nova-1970
1971-1972 Chevrolet Brookwood
4L V8 1975 - 1986 Chevrolet C30 350/5
Universal V8 MPFI EFI HARNESS KIT - 558-504 motor-mounts 4L V8 1973 Chevrolet BlazerOverview: 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, Universal MPFI Main Harness, v 8 Injector Harness Simple installation Works with HP or Dominator
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