Sprint Rules

The rules are subject to change in the better interest of racing or safety.

A sprint car is defined as a racing vehicle of single seat design built upon a racing chassis and mounted on four racing wheels equipped with safety hubs. There is no limit on wheelbase and any naturally aspirated engine compartment shall be separated from the engine by a firewall of suitable material. Car must be so constructed as to withstand the stress of high speeds and equipped with a rear bumper to facilitate starting. Rear bumper must be attached at all times.

Driver’s Compartment

Roll bars must provide maximum protection, with suitable space and head room in the driver’s compartment. All bars must be padded around driver. No open drive shaft. Arm restraints are required. Bucket seats or equivalent installed, must be welded or bolted to frame. Head rest is mandatory. All crash helmets shall be approved by track officials, and helmets must be worn by driver anytime car is in motion. Driver must wear safety type rubber rimmed glasses or face shield.


The engine displacement must not exceed 410 cubic inches. The displacement will be determined by pumping one or more cylinders at random. The pump engine temperature compensation and a 1% tolerance, will be final. Aluminum engine block will be allowed.


Headers must be designed and installed in a manner to minimize fume and fire hazard to drivers and other competitors.

Tires and Wheels

Tires with excessive severe knobs or tread will not be permitted. Approved wheel covers are allowed. Any conventional or racing wheels and tires are allowed. No dual wheels.

Division Tire Size & Compound

410 Super Sprints:

105.0/18.0-15 SC12

105.0/18.0-15 SC15

105.0/18.0-15 SC25

Mandatory on right rear 5/1/07

Fuel and Ignition

Fuel cell is required, with bladder. Ignition switch should either be toggle or push and pull and be easily accessible to driver. Ignition switch is mandatory. Any type fuel pump may be used. Also, pressure system, but must have shut off valve in reach of driver. No nitrous type fuel additives are allowed. Must have shut off valve at fuel cell. A 28 gal. fuel tank is recommended. (55 lap fuel stop)


Race cars must contain hood and be fully painted with bright colors. All cars must have hoods in place during warm-ups and competition.


Aluminum or metal single air foil design with a maximum size of 25 square feet measured by length at the longest point, times width at the widest point. Physical dimensions not to exceed six (6) feet in either dimension at the longest point. Wing surface may not be hinged.

Maximum dimensions for front wings: 6 sq. ft. No double top wings, no added air foil above top wing. Side panels must be a maximum height of 30″ and not to exceed more than four inches over length of wing cord.

For safety reasons, the bottom plane of the wing must be within 12″ of the front roll bar. No side wings. Metal wings only, 3″ wicker bill on top of wing. A maximum of 1″ turn up on a 90° angle allowed at rear center foil. Center foil must be one (1) piece. The deepest point allowed on the top surface of the top wing will be 2 1/2″ measured from the top front wing to the front edge of the 1″ turn up at the rear edge (or to the rear edge, if there is no turn up). No car will compete without a top wing on the car.


All cars must have brakes in good working condition.


Any safe steering may be used


None allowed

Shock Absorbers

Any amount and type of shock absorber allowed, but must be in good working order.


Car numbers must be painted neatly on both sides of car and on top and both sides of wing.


No car is eligible where the safety factor is considered lowered or insurance coverage affected.


No direct drive. Nerf bars are required and front and rear bumpers are required.

All rules are subject to change with the better interest of racing and safety. The decision of the officials will be final.

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and be participating in the events, all participants are deemed to have complied with these rules.

No express or implied warranty of safety shall results from publications of or compliance with these rules and/or regulations.

They are intended as a guide for the conduct of the sport, and are in no way a guarantee against injury or death to a participant, spectator or official.

The race director shall be empowered to permit minor deviations from any of the specifications herein or impose any further restrictions in his opinion do not alter the minimum acceptable requirements. No express or implied warranty of safety shall result from such alteration of specifications. Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final.