Thanks Bones, I have looked at that thread and it helped me decide to go with the YFZ swinger.
I spent 1/2 the day driving around gathering stuff for the quad. My new chain arrived 16,000lb 520 one of the best you can buy apparently from sidewinder.
I also went to see the guys at Motorcity ATV. I picked up Banshee suspension link, ($10) It looks like the large part is the same as the warrior but the little piece is a bit shorter then the warriors. I'll take a side by side pic and measurements when I have them both off.
I picked up a new billet block-off plate for the rear caliper ($13) and a rear 450 brake rotor with hub ($20) from motorcity. He has about 15 complete and ride-able Banshees that he hasn't even started parting out yet. He has 6 or 7 YFZ450 that are waiting to be disassembled and sold. If your looking for YFZ or banshee stuff, they have EVERYTHING.
A friend of mine happens to me a machinist, I stopped in his work and had him make up a bunch of mild steel spacers. The Pivot bolt is about 5/8" dia, and the OD of the end caps is about 1 1/2. He made up a bunch of spacers from 1/8 to 3/8 thick 5/8" id x1 1/4" od. I'll have to try a few combinations of spacers to line the sprockets up. The next guy that does a YFZ swinger swap on a stock 350 Warrior we should find out the exact width of the two spacers to get it to line up without having to mess with it.
sorry about the crappy pic, this is today's catch.