2018 Open Wheel Modified Division
We have tires on sale at the track.
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.
- All tires are subject to Lab Testing.