February 3 – 5, 2023, at the Fairplex in Pomona. Stop by our booth for our featured products, show specials, promotional giveaway and more. Grand National Roadster Show is the longest running indoor car show in the world! Over 500 show vehicles will compete for awards inside the Fairplex buildings. Another 400-800 vehicles will join the event Saturday & Sunday for the 16th Annual Grand Daddy Drive-In.