Cart 0
Holley 558-403 Dominator EFI Connector J3 Auxiliary Harness

Holley 558-403 Dominator EFI Connector J3 Auxiliary Harness

Holley EFI

+ -
Only 14 left!
 More payment options

Dominator EFI Connector J3 Auxiliary Harness

J3 ECU Connector 17 User Programmable Inputs and Outputs

Brand Holley EFI
Emission Code 3
Harness Type Auxiliary
Product Type J3 Auxiliary Input/ Output Harness - Connector
UPC 090127666449
Part Number 558-403

We Also Recommend

Extended Length Main Power Harness for HP, Dominator EFI

Extended Length Main Power Harness for HP, Dominator EFI
Holley EFI- 554-114 Dominator ECU

Holley EFI- 554-114 Dominator ECU

Save $674.05
Holley EFI- 558-443 CAN TO USB DONGLE - COMMUNICATION CABLE

Holley EFI- 558-443 CAN TO USB DONGLE - COMMUNICATION CABLE

Save $3.87
Holley EFI- 554-122 Eight Channel Coil Driver Kit

Holley EFI- 554-122 Eight Channel Coil Driver Kit
Holley EFI- 558-308 Main Power Harness for HP, Dominator EFI

Holley EFI- 558-308 Main Power Harness for HP, Dominator EFI

Save $4.75