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Dominator EFI Connector J4 Auxiliary Harness. Holley has put together a choice of several Dominator EFI auxiliary harness kits. These harnesses include the loose wires, connectors, inputs, and outputs needed to configure and customize your Dominator EFI system to meet your performance needs.

558-404 Dominator EFI Auxiliary Harness

$154.95Price
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