Oklahoma … where the roar of engines come sweeping down the plain this Friday and Saturday, April 5-6, as the USMTS invades a pair of Sooner State dirt ovals where the land is grand. …

Officials from the USMTS have announced that JRi Shocks has signed on as a contingency sponsor with America’s premier dirt modified series for the 2013 season. …

After taking the lead from polesitter Terry Phillips on lap 25, Ryan Gustin held off several challengers over the final 75 circuits Saturday night at the Humboldt Speedway to win the main event at the King of America III Modified Nationals. …

The second night of qualifying Friday at the King of America III Modified Nationals saw another 18 heat races chock full of action and a dozen drivers locking themselves into Saturday night’s $10,000-to-win, $1,000-to-start main event. …

RacinDirt.com's Trenton Berry chats with Steve Whiteaker Jr. at the USMTS King of America III Modified Nationals from the Humboldt Speedway in Humboldt, Kan. …

Former teammates Terry Phillips and Jeremy Payne share the top point totals after the first night of qualifying for the United States Modified Touring Series King of America III Modified Nationals at the Humboldt Speedway Thursday. …

Practice for King of America III has been postponed until 9 a.m. Thursday morning to allow drying in the pit area. Gates will open at 8 a.m. Thursday morning. …

All systems are “go” for the King of America III Modified Nationals this Thursday, Friday and Saturday, March 28-30, at the Humboldt Speedway in Humboldt, Kan. …

Schedule of events for the King of America III Modified Nationals slated for Thursday-Saturday, March 28-30, at the Humboldt Speedway in Humboldt, Kan. …

Event information and procedures for the King of America III Modified Nationals slated for Thursday-Saturday, March 28-30, at the Humboldt Speedway in Humboldt, Kan. …