It can only be installed in a 1981-83 DeLorean, since it needs the stainless steel body panels to function properly, and you do have to already have a nuclear reactor built in. Fortunately, Rolls-Royce can help you with that. You either need plutonium from the Libyans, which is harder to come buy now that Gaddafi's gone, or you can spring for the optional upgrade kit #121GMF, which converts the power source to a Mr. Fusion.
The only drawback is that they're currently out of stock, presumably until around October 21st, 2015, when they can source more from their supplier.
Aaron Miller is the Rides editor for Supercompressor. He really wants a copy of Biff's sports almanac. He promises to use it only for good, if you follow him on Twitter.