Yeah I had the 40 Ford also. Here's your other kit. I was full of crap unless I saw it on Custom10's link. The kit your looking for is up on Ebay right now with a buy it now price of $219.00. Expensive but cheaper than $600!
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Revell Fumin Fiat/Thunder Charger Double Kit-FS Bag Inside -Model Car Swap Meet | eBay