Lamborghini Gallardo LP 550-2 is a rear-wheel-drive semi-hardcore Gallardo, that Lamborghini made as a tribute to its ace test drive Valentino Balboni. The car has 10 horsepower less than the regular LP560, but is considerably lighter and is more of a track car than full blooded supercar. To learn more about it check out this video of Lamborghini Gallardo LP 550-2 with Valentino Balboni after the jump…