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XMR will be following the 2022 “ ROC Sportsman modified series” rules

Rules information can be found in the link below.


With the exception of the following rules


Minimum age 14 yrs old


Fuel 110 purple

4:86 gear rule

No step Transmissions

Transmission must have stock internal gears


Crate motor option ( ROC, Evergreen Raceway, Evans Mills)

Must run Holley 500 2bbl

Evergreen and Mills crate mod that run non muncie drivetrain must add 50 pound to the right side.


 If the above said tracks or series makes a change that we feel significantly impacts the exceptions, we will release an official notice no later than 6/1/2021. After 6/1/2021 the rules will be locked in.


****** XMR Tech reserves the right to hand out penalties to competitors not in compliance with the posted rules prior, during and after race******

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