Holley EFI Input/Output Harness (J1A/B)
Holley Part #: 558-400
Use this harness to tie your inputs and outputs into your Holley EFI unit.
Each harness has eight-pin connectors with loose wires on the other end to make your connections to.
Holley HP EFI for TFI Ford (Bosch Wideband)
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