Hot Lap 2.2" MC (Clay) Dirt Oval Buggy Rear Tires (2)Overview This is a pair of Hot Lap 2. 2" Rear tires for Dirt Oval. Introducing the next generation of sprint car dirt oval tires from Pro Line, the Hot Lap! This tire was designed from the ground up for all out performance, consistency, and long lasting tire wear. The Hot Lap features a deep, geometric grooved tread that provides increased forward bite, a predictable, smooth steering feel, and great tread cleanout. It's available in either MC (Clay)