- All official scoring and timing done via transponders by Westhold Corporation.
- All cars must have 2 transponder mounting pouches per car.
- Transponder rental is included in entry; mounting pouches are NOT included — provide your own.
- Transponders are distributed during driver check-in and must be the ones provided by Westhold.
- Wheelbase: 116" maximum / 96" minimum.
- Maximum car width: 92".
- Car weight: minimum 2,800 lbs with driver; maximum 3,600 lbs without driver or passenger.
- No center-steering type cars.
- No 4-wheel or all-wheel drive.
- 4 tires and wheels only. Minimum 20 psi to start.
- Top of tire from the ground must not exceed 32".
- Wheels up to and including 8" wide may run any tire.
- 10" wide wheels must be steel with an ungrooved asphalt slick only.
- Wheels cannot be solid black. No other wheel/tire combination allowed.
- Wheel covers allowed but must be bolted on by at least 6 bolts on a beadlock ring.
- Cars must have hood, doors, rear quarters and a trunk or covered rear deck.
- No body panel more than 1/16 gauge thick. No part of the body may cover the outside of the tire; all wheel openings stay open.
- Wings, spoilers, sideboards and panels cannot be adjustable from the cockpit or by remote control.
- No nerf bars outside the tires. No lights on cars. No sharp or pointed edges anywhere.
- Rear spoilers/sideboards: max 12" tall, mounted behind the driver only.
- Aftermarket roofs: max 15° angle (except a 1½" bracing edge). Roofs may not extend past the rear of the car.
- Stock OEM roofs must keep stock appearance and cannot be mounted upside down.
- Any sprint-car-style wing above the halo requires one Holley 4412 500-CFM 2-barrel carb, unless running EFI.
- All bumpers completely welded on and/or chained.
- Bumper loop or chain mandatory for towing.
- No solid black bumpers. No sharp or pointed edges.
- Staff is not responsible for any damage from towing or pushing.
- Fuel cell: 32 gallons maximum, securely mounted and protected.
- Fuel filter cannot hold more than a quart.
- Fuel line: max 1/2" diameter, max 16 feet long.
- Minimum 4-point cage, minimum 3 driver door bars with vertical supports, 1½" – 0.095 minimum, securely welded.
- Roll bar padding on all bars the driver can touch while seated.
- Steel driver door plate and window net required.
- Minimum 3 windshield bars.
- Racing seat and 5-point harness securely mounted to the cage.
- Full-face helmet, fire suit, gloves and neck brace required.
- Small fire extinguisher, securely mounted, required in all cars.
- Ballast mounted with 1/2" bolts, painted white with the car number.
- Batteries securely mounted with covered terminals.
- Self-start with forward and reverse.
- Driveshaft painted white with a safety loop or chain.
- Working brakes required.
- One receiver per car — mandatory, for the driver to receive information from officials only.
- No 2-way communication. No scanners. No rear-view mirrors.
- EFI cars must have an electric master disconnect mounted on the rear deck behind the driver.
- Large, contrasting, easily readable numbers on both doors and the roof.
- Passengers allowed — must meet all driver safety requirements.
- Passenger side needs 3 door bars, steel plate under the seat, steel door plate, window net and roll bar padding like the driver.
!! The Catch — Engine & Car Auctions
$15,000 Win a night + best average = engine auctionWin Friday or Saturday AND post the highest average finish across both nights — a $15,000 payday — and your engine comes out of the car and goes to auction. Complete long block: intake, valve covers and oil pan. No other accessories.
$25,000 Win both nights = the whole carWin both Friday and Saturday — a $25,000 payday — and the driver seat comes out and the entire car is auctioned.
Auction money is split and paid evenly to the 1st, 15th, 25th and 40th average finishers of the same car running both days. Ties on average finish are broken by the best single-night finish.
