The engine was rebuilt in 2019 by VanGordon Racing Engines.A numbers-matching three-speed Turbo Hydra-Matic 400 automatic transmission sends power to the rear wheels through a 10-bolt Positraction limited-slip axle.A total of 678 examples of the GSX were built.The five-digit odometer shows just under 1,100 miles, true mileage is unknown.