2018 Open Wheel Modified Division
We have tires on sale at the track. Visit the Tires Page Here
Open wheel modifieds will follow the UMP Dirt Car Modified rules.
Visit www.umpracing.com for all the details.
- NO tire softeners.
- NO soaking of tires.
- NO pre-heating of tires.
- NO chemicals of any type inside of tires except oxygen or nitrogen.
tires are subject to Lab Testing.