Silver State 4-Wheel and Off-Road Jamboree to be held July 14-19, 2014 at the Nugget Casino in Sparks, Nevada October 15^th, 2013

Jeff Knoll shocked the off-road industry in March, 2011 when heannounced he would be stepping away from the King of the Hammers (KOH), Ultra4 racing, and Hammerking Productions, Inc. Now the largest off-road race in the United States, KOH changed the landscape of Rocksports during the Great Recession, attracting 30,000 fans and participants to the desert of Johnson Valley, California. Read More→