FONTANA, CA – Falken Tire, an important high performance choice for driving enthusiasts on pavement and off-road, continues to expand its motorsports involvement in the popular and demanding off-road arena through its support of Race Prep Racing, the husband-and-wife-managed team that will compete in the Ultra4 Class at King of the Hammers, the “toughest one-day off-road race,” according to series organizers.