King of America VIII - Thursday Heat Race Lineups
King of America VIII Modified Nationals presented by Summit Racing Equipment – Day 1 of 3
Iron Man Challenge featuring Out-Pace USRA B-Mods
Humboldt Speedway, Humboldt, Kan.
Thursday, March 15, 2018
Heat races are 8 laps each. The top 12 in heat race passing points advance to the Summit Racing Equipment “A” Main with the top 8 redrawing for the first 8 starting spots.