Sprint Car Rules

*** Please refer to General Section for rules and regulations applicable to all divisions***

1. Approved tires will be Hoosier 2045 Right Rear, M30 Left Rear, 2030 Right Front & 2010 Left Front

2. Car Weight: 1,625lbs at all times

3. Engine Rules:

   1. 360cid unrestricted

   2. 410cid restricted to 1 7/8” ID with a maximum depth of 1 ½”

4. Wings:

   1. Nose wing: 2x3’ max

   2. Main wing: 5x5’ max

5. Tread width 78” max outside to outside

6. Offset measured from center of pinion to outside of tire 44” max

7. Prerace: all cars will go to lineup early with air cleaners off in order to check restrictors; 360 cars will be subject to pump for cid post-race.

8. Postrace: The top 3 finishers will park on the back stretch and stay in cars; then be pushed across the scales in the infield. The top 3 finishers to pass scale tech will push to the front stretch for trophy presentation

9. CNS Will be the exclusive supplier of Tires for the event.

10. When registering online, please submit your tire request for the following models​​

    1. 2045 (RR)

    2. M30 (LR)

    3. 2030 (RF)

    4. 2010 (LF)​​​

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Questions or Comments?

Please Email us: 

tech@coloradospeedway.com