An 8 pole will be fine. We have our standard stator in our helix and run a 500 watt single on the front and have never had a problem. We got ours at walmart for under $20. They actually have a pretty good selection of that kind of stuff for under $20. Just use your existing harness and run it off of battery voltage through a switch (through your ignition switch would be a bonus) and roll with it.
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