Four Wheel Drive Modified Class Rules

6200 lbs.

Four motor mounts or torque chains required on motor, and must be behind the stock grill location.

650 cubic inch limit on engine displacement. Motor must be naturally aspirated.

Must use bar/tractor type tires only. No D.O.T. tires allowed. Max of 35" tires.

Driver must wear a SFI fire suit (both jacket and pants) and a helmet.

Vehicles must use front Weight box wheels no more than 6 inches off the ground, within 6 inches of the forward-most part of the vehicle.

Weight box wheels must be a minimum of 6 inches in diameter by 2 inches wide.

Weight box wheels must support the weight of the vehicle.

Weight box wheels may be raised or removed for the purpose of ground clearance when vehicle is not on competition track.

Weight box wheels must be at least 3 feet apart.

133 inch whl. base max.

Hitch must not be less than 30%