Monster Truck Tires
 

For anyone who may be a-wonderin', here is a closeup pic collage of the stock monster truck tires, as well as the tires included in the 60-7544 monster truck "Custom Tire and Wheel Kit" (all-season, swamp, and so-called "slicks"):

http://www.cmoo.com/~snor/weeds/mt_tires.jpg