power

What size ring connectors would I need for the power terminals/post up underneath the dashboard? I have ordered my mav trail, but am waiting until the spring to recieve it for warranty purposes. I want to have everything I need to wire accessories and want to wire it in at that point.

Like the title says, Will any of these multi spark , high voltage coil packs work ? Changing the weathertight plug end on OEM wiring harness is no biggie. Just dont know anything about these. there are SO many with different oms . Will the ecu tell any of them when to fire ? Accel...