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UCRA 604 Crate Late Model Series Tire Rule Effective Immediately

Updated tire compounds for 2023 with the UCRA 604 Crate late model series beginning immediately 3/6/23

Tires: Front Open
Right Rear Hoosier 55, 1600, 4 or American Racer 56
Left Rear Hoosier 21, 55, 1350, 3, 1600 or American Racer 48 or 56
All Hoosier Tires must be shoulder-plated.
Sipping and Grooving Allowed.
No Grinding of numbers or compound, Any Tire that has been altered will be illegal and confiscated. Tires can be checked with a durometer, no chemical treating of tires allowed. All tires subject to sampling at anv time.

**Tire rules may be modified by UCRA officials in the spirit of competition, supply chain issues, or manufacturer changes.

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