Section 6.04 - General Requirements(1) No motor vehicle shall be altered or modified in any way that may cause the vehicle body or chassis to come in contact with the roadway, expose the fuel tank to damage from collision, or cause the tires to come in contact with the body, chassis, or steering components under normal operation. The horizontal plane, front to rear, shall not differ more than two inches.(2) Alterations or modifications to the original braking, steering, or suspension system, which result in the impairment of the safe operation of the motor vehicle, are prohibited. All replacement parts and equipment used shall be designed and capable to perform the function or purpose for which it is intended and shall be equal or greater in strength and durability than the original parts provided by the original manufacturer.(3) The wheel track may be increased by the use of tires and rims for a maximum total increase of four inches beyond the original manufacturer's specification. The use of spacers to increase wheel track is prohibited. Fractions shall be excluded in all measurements and final calculations.