It's Oemmedì Meccanica's build, and they did build one with a V12 and accompanying running gear (trandmission, [shortened] driveshaft, differentials, suspension, axles, brakes) from a Murcielago, but that one has a V8 from a Ferrari 308. They also did one with a Porsche six.
Here's the three of them with a standard car on the end:
Edit: The above image is not to be rated. Instead refer to the black car some posts above.