Hydraulic lines must be ran in a safe route and be in good shape, free of cracks or fraying as determined by an ARCA official. Manual suspension controls must compress or unload both sides of one axle only. Manual controls are not approved that allow controlled movement of only one side of either the front or rear axle. Suspension pivot points, connecting points, must be free of cracks and in good physical condition as determined by an ARCA official. All proto-type tires from any manufacturer.
Tires are to be the only source of forward, side, or back movement of the vehicle.
Any device used to move the vehicle in these directions other than the tires is considered a tool or winch and points will be assessed accordingly. The transfer case transfers power to the front axle and rear axle of a vehicle. Bead lock wheels with locks on both the inner and out side of the wheel or any combination thereof. Wheels and bead locks must not interfere with the proper operation of brakes. Wheels must be mounted onto the axle with a minimum of four lug studs.