Track Profile

4-Cylinder Rules

Sportsman Rules

DIRTcar UMP Modifieds

Please see DIRTcar's website for DIRTcar UMP Modified rules.

DIRTcar Late Models

Please see DIRTcar's website for DIRTcar Late Models Rules. Brownstown Bullring & I-55 Late Model tire rule: Right Front, Left Front & Left Rear Tires: Hoosier L/M 2 ONLY, Grooving & Siping Allowed! ----- Right Rear Tire: Hoosier L/M 4 ONLY, Grooving & Siping Allowed ----- L/M 2 – Must Durometer 40 minimum before race L/M 4 – Must Durometer 60 minimum before race
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