(Tucson AZ, Feb 2012) Rocking J Offroad’s John Brock has participated in motorsport for over 30 years, competing in dirt track, stock cars, drag racing, and tractor pulling. After getting involved with extreme rock crawling in his native state of Arizona John started racing his trail buggy in Lucas Oil Short Course races and WERock… Continue reading Rocking J Offroad and Crossed-Up Customs Team up for 2013 King of the Hammers