440 in a body radiator

Any one have any experience with these?
[ame="http://www.ebay.com/itm/281148839133?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT"]Radiator Fans 70 73 Plymouth Barracuda 68 73 Dodge Charger Challenger V8 | eBay[/ame]