Disney/Pixar Cars Piston Cup Revolting Die-Cast Vehicle 1:55 scaled die-cast car. 6/14 from the 2016 Piston Cup series. Packaging may say Davey Apex or Dave Alternators. Favorite characters from Disney/Pixar Cars and Cars 2 are rolling in ready for adventure Vehicle is 1:55 scale die-cast with authentic styling, big personality details and wheels that roll.