ULTRA4 Racing is one of the fastest growing motorsports in the United States. It is unlimited 4 Wheel Drive Racing. These cars are capable of speeds of 120+ miles per hour but can also navigate the most technical rock trails in 4 wheel drive low range. ULTRA4 Cars race in the annual Griffin King of The Hammers Presented by Nitto Tire in Johnson Vally, CA every February, as well as in the ULTRA4 Nitto Tire National Championship Series. Races are held in California, Pennsylvania, Utah, Texas, Indiana and Arkansas as well as Internationally in the UK and Portugal.