The 1997 Carquest Auto Parts 420K was a Craftsman Truck Series event held at Las Vegas Motor Speedway on November 9, 1997. It was the season finale. Joe Ruttman won his second straight race to end the year, holding off Jack Sprague by 1.5 seconds. Sprague, meanwhile, celebrated his 1997 championship, beating Rich Bickle (16th) by 232 markers. Stats