1. Vehicles in Unlimited Category must meet Safety Level 1, 2 or 3 Standards, depending on tires and vehicle prep level.

A. Production vehicles prepped within the Sport Category allowances and running on DOT-Approved tires with a UTQG rating of more than 100 are required to meet Safety Level 1 Standards at a minimum.

B. Vehicles prepped beyond Sport Category allowances and running on DOT-Approved tires with a UTQG rating of less than 200, or any vehicle on DOT-approved tires with a UTQG rating of less than 100 are required to meet Safety Level 2 Standards at a minimum.

C. Any vehicles with non-DOT tires are required to meet Safety Level 3 Standards at a minimum.

2. Drivers in Unlimited Category must meet Safety Level 2 Requirements for driver gear when:

A. The vehicle has replaced or modified production-vehicle fuel lines and/or fuel tanks, or the vehicle has non production-vehicle fuel lines or fuel tanks.