2021 Peoria Speedway Late Model Rules

Please see UMP Dirtcar Super Late Model Rules with the following exceptions:

604 GM or 602 GM Crate Engine Weight Break (2250 LBS)

Right Front, Left Front & Left Rear Tires: Hoosier LM 20s  on three corners – (Grooving & Siping Allowed)
Hoosier LM 40 on RR – (Grooving & Siping Allowed)


Please see UMP Modified rules below:


Please refer to the the DirtCar UMP Modified Rules below:

with the exceptions of the Following Rules:

  1. Minimum weight 2450 pounds
  2. 602 Sealed GM Crate Motor, or 360 cubic inch or less steel headed engine with a 2 barrel carb Unaltered 4412 to be gauged top and bottom  on request and the choke horn still in place.

***Note the open engine package is open to same claim rules as 602 Engine***

  1. $4,000 engine claim rule or $500 Plus Exchange. ($50 Tow Truck Fee applies)
  2. Steel Body Shocks ONLY. No adjustables, No Schrader valves, No remote canisters.
  3. $120 shock claim rule or $60 exchange.
  4. Peoria Speedway reserves the right to claim any engine or shocks as necessary.
  5. Flat Tappet Cams no Roller Cams.
  6. 5 inch Spoilers are allowed.

This is Peoria Speedway’s attempt to lower the cost of competition in the B Modified class.

Track Reserves the right to claim engines or shocks as deemed necessary.


Please refer to the the DirtCar UMP Hornet Rules below

Hornets may run any DOT Tire

Kid Mods

kid mods rules

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