2 perforated aluminum trailer ramps, about 18 inches in width. Fairly reinforced on the undersurface, also 4 blocks of 2x4 wood front and back on the ramps. Half to line the GT up 90 degrees to the driveway and 63 inces apart, center to center. Pain in the ass, hence 4010 miles on my GT. Also have to park my Yukon directly across the drive on the street to block the parking area so I can get the car back up the driveway and not wait until some visitor to a neighbor's house decides to move their car!
Oh also have 3 additional front splitters and one rear diffuser as back up.