Vehicle Design
Steering Geometry
Last Updated: March 30, 2026Steering must permit a turning circle diameter of less than 50 feet. Reliable action is required without looseness or binding....
Tires and Ground Clearance
Last Updated: March 30, 2026Tires must be pneumatic. Minimum ground clearance is tested by the vehicle’s ability to roll over a 121”×121” block to...
Driver Safety Harness
Last Updated: March 30, 2026All vehicles must use a five-point automotive seat belt system. Belts must be secured to the frame with mechanical fasteners....
Electrical Safety
Last Updated: March 30, 2026Isolation Switch: A “kill switch” is required and must be accessible to both the driver and race officials. The external...
Battery Weight & Types
Last Updated: March 30, 2026Total battery weight cannot exceed 73 pounds. Only sealed lead-acid (Gel or AGM) batteries are permitted for Standard Class to...
Brake Requirements
Last Updated: March 30, 2026At least two wheels on the same axle must have brakes. The system must use separate actuation cables. The vehicle...
Roll Bar Specifications
Last Updated: March 30, 2026The roll bar must protect the driver’s head in a rollover. It must be triangulated with at least three legs...
Vehicle Dimensions
Last Updated: March 30, 2026Maximum Width: 4 feet at the widest point. Maximum Length: 12 feet. Minimum Track: At least one axle must have...
