Holley Part Number: 558-401
This harness is the J2A auxiliary harness for the Holley Dominator EFI.
Gen 1 Lightning Holley HP EFI & US Shift Complete Package
Gen 1 Lightning Holley Terminator X EFI & US Shift Complete Package
Haltech NEXUS R5 + Universal Wire-in Harness Kit Length: 2.5m (8')
Haltech NEXUS R5 + Universal Wire-in Harness Kit - 5M / 16' Length: 5m (16')
Holley Dominator EFI