Please stop typing in all caps, that Internet rude as it's yelling.
I don't know why you had to use a different bellhousing as the V2003 should have fit the stock housing, yes with a little modification to the bolt holes.
I don't know of anyone on this forum that posted anything about a dual fan kit for a bobcat.
You can get dual fan kits off ebay or amazon, there was never a stock option for an electric fan kit for these units.
You might try
Skidsteerforum.com