Shamrock Showdown B-Mod Rules

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Shamrock Showdown B-Mod Rules

You can run UMP Pro Modified rules, USRA B-Mod rules, Tri-City Speedway rules..

You can run any of these tires: Hoosier M30, M60, G60 or American Racer KK704

If you are legal with UMP, USRA, Tri-City Speedway (3-link only) or SFCR/Farmington, you will be legal at Poplar Bluff Motorsports Park!