Park Jefferson International Speedway
Park Jefferson International Speedway

Park Jefferson International Speedway
Jefferson, SD

Updated Rules for Open Wheel Nationals
814
4/22/2020

4/22/2020

Park Jefferson International Speedway


Updated Rules for Open Wheel Nationals

Park Jefferson Open Wheel Nationals Sprint Car/Modified Rules

Basic Knoxville/WoO 410 rules apply
*No Mufflers
*Tire Rule- Hoosier Tires Only
*Right Rear H or Medium Only
*Left Rear H12 or H15 Only

IMCA MODIFIED RULES
*Standard IMCA A-Mod Rules


Submitted By: Adam Adamson

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