The 1996 Carquest 420K was a Craftsman Truck Series event held at Las Vegas Motor Speedway on Novembver 3, 1996. It was the season finale. Jack Sprague won his fifth race of the year, holding off Bill Elliott by .382 seconds. With a tenth place effort, Ron Hornaday won the 1996 championship, ending with a 53-point margin on Sprague.