600 Micro Sprint

(US6A Rules)

600 Wingless Micro Sprints

Must compete without a top wing or front wing


The maximum bumper length will be 8 inches from the front of the chassis.


Tire Rule:

Hoosier US6a, NMMA, ASCS2, or KS1 (Must run a Hoosier Tire to receive championship points)

American Racer NMMA or MD57B


Right Rear tire Must durometer 50 before and after race, 5 minute cool down period allowed.

Speedway Forms