Product Description
Holley J2A Auxiliary Harness for Dominator EFI 558-401
Holley part number 558-401 includes a J2A connector for Dominator ECU, along with generous length wires with ECU terminal pins pre-crimped onto them. This kit allows you to add 23 user programmable inputs to your Holley Dominator EFI system as well as a second wideband oxygen sensor. The wideband harness comes fully terminated on both ends.
