Pro-Mod (run what ya brung) Limited Street (radial/29.5x10.5 tire, stock front suspension unlimited power adder) Real Street (275/28x10.5) (stock front and rear suspension, 88mm,f1r max or super light n/a cars) Outlaw Dragster (Biggest and Baddest) Outlaw Motorcycle (Not really sure)
9.0 and 10.0 index classes (no electronics/stops, .400 pro tree)