Heard,
I just did a fast check on eBay and there is one advertised for $129 or best offer. Looks pretty beefy and the seller has sold 80 of them. He has 100% feedback.
You may want to ask him a few questions about his product if you are interested. I am glad you understand the danger.
Bud
http://www.ebay.com/itm/Ford-Model-A...b003b0&vxp=mtr