i got this same one on my 400 and fits perfect!! Nice pan for the price and came with the 1/2" pickup. I got the pickup free for some reason cause it was suppose to come with the 3/8". I ain't complaining!
http://cgi.ebay.com/new-mopar-dodge...r_truck_parts_accessories&hash=item588708f27a
here is a pic of mine painted and installed with the main girdle. Less than an inch is below the k-frame!