72 model 402 Merc - green wires

[JoeMan]

Asking this question for a friend:

72 model 402 Merc...the wires that run from the ignition box to the coils. Are these wires "resister"wires?
They are large, green and say Mercury on them. The insulation has gotten hard and they are crumbling. They don't look like regular strand wire.

Thanks