CLASS CALCULATOR

Select your modifications and bookmark this page to save your modifications for future reference.

Tires

Engine and Drivetrain

Aerodynamics

Suspension

Weight Reduction

Tire Size

We recommend you select all other mods to determine generally what class you fall into and then visit this section as a final check to see how tire size affects your class standing.

Class Max Width
Sport NA
Stock 225
Street 245
Touring 255
Unlimited NA