Rules/Tire Rules



Mars Late Model Tour approved DIRTcar UMP racing tires are: Hoosier LM20, and LM40.

The LM20 may be used on any corner of the car – right front, left front, left rear, right rear. or A LM40 may be used as a right rear option only.

DIRTcar UMP Rules, governing mechanical rules and chemical alteration of tires are in effect.

Tire inspection can be performed by Mars Late Model Tour Officials and/or DIRTcar UMP Officials at any time throughout the event day including but not limited to; on the grid, in the designated inspection area, post-race inspection or in an individual team’s pit stall.