sentences:  It features a supercharged LSX 5.3 L V8 engine with a 4.0 L Whipple supercharger that has a power output of as well as a black or Inferno Orange Metallic body colour with additional custom graphics, special interior trim and a Turbo 400 three-speed automatic transmission.Two units were made which were numbered 68 and 69.Car number 69 was unveiled at the 2012 SEMA show and was kept at the GM Heritage Center.