Drivers must be a minimum of 15 years old with no exceptions. Certified copy of birth certificate is required. At his sole discretion, the Race Track Promoter has the authority to permit an underage driver to participate in this class.
Roll cages shall be at least 1 ¼ inch X .083 & 095 wall thickness. Roll cage and frame shall be made of D.O.M. tubing. Roll cage shall have sufficient fore and aft bracing and strength to support the weight of the car and driver in case of an upset. Cage shall have gussets at the intersecting bars to the uprights. It is mandatory to install a cross brace behind the seat to support the shoulder harness.
Cars must have bumper extending beyond the front and rear tires. All cars must be equipped with nerfing bars.
On and off switches must be on dash. On/off switch must be connected and functional. No radio communication is allowed with the car or the driver.
All wet cell batteries must be covered and vented.
Race gas or pump gas only. No additives are allowed. Fuel cells are mandatory. No boat gas tanks and no jerricans allowed. There must be a metal divider between the fuel cell and the driver. All fuel cells must be boxed in.
Weight is 1000 pounds with driver. Any material used for the purpose of adding to the car’s total weight must be firmly attached as a part of the car’s structure AND such added weight must be painted white AND must have the car's number on it. No liquid or loose ballast, i.e., water, fuel oil, sandbags, rocks, etc. allowed.
Tread; Maximum 50 inches. Minimum 40, center to center of tires. Wheelbase: Maximum 78 inches. Minimum ---- inches, center of front axle to center of rear axle. Chain drive only. All suspension bolts except wheel nuts must be secured by some type of locking device. No adjustable allowed inside of cockpit.
Any shock absorber legal, except no cockpit adjustable shocks.
BRAKES
Brakes will be of sufficient strength so as to slide the wheels while the car is in motion at any given time.
20 compound 10 X 10 X 65 no less than 10 X 10 wheels for front and left rear tires. Right rear is 50 compound 10X 10 X 69. Air bleaders are allowed. Wheels must be held on with 4 or more standard lug nuts or knock-off hubs. Sipping and grooving are allowed.
All cars must have complete bodies with nose cone. There must be a metal firewall between driver and engine, made of 24-gauge steel or .0625” aluminum. Body of car must be made of aluminum, metal, fiberglass or high impact plastic. All cars must be an attractive color or colors. No rear view mirrors allowed. No mechanical, electrical or hydraulic adjustments will be allowed in the cockpit area. All fuel tanks must be equipped with a one-way check valve designed to prevent spillage of fuel in the event of a rollover.
Motors must have transmission with all stock gears in working order. Any car equipped with a shifting mechanism must have this device mounted in the drivers’ compartment. All shift levers should be inside cockpit.
Any material used for ballast must be firmly attached as a part of the car’s structure. No liquid or loose ballast such as water, fuel, oil, sandbags, rocks, logs, chains etc. allowed.
600 cc (only) STOCK engines PRIOR to 2007. Stock engines as the motor was run on the motorcycle from the factory. No engine work. Stock pistons only. Any air cleaner will be allowed because the factory air box will not fit in some chassis. Any exhaust will be allowed for the same reason. Rods, pistons, cams etc. must be stock. Carburetors must be the same make and model as the motor. Carbs may only be changed to allow for alcohol jetting. Allow only 1 OEM black box with manufacturer’s part number to be used on that make. Any type of box that has an external adjustment is considered illegal. Boxes allowed include STOCK black box style Honda “HRC” version or “Yamaha Racing” versions. No aftermarket CDI’s (ignition black boxes) allowed. Aftermarket timing advancers are illegal. Cam gears that are redrilled, slotted or altered are illegal. Charging systems must remain in the motor. Any sprocket (520 or 530) will be allowed. 2003, 2004, 2005 and 2006 engines are allowed on carburetion or stock injectors. Stock or billet boots are allowed. EXCEPTION: NO KAWASAKI 636 AND no 2006 YZFR6V(C) and/or black bottom motors allowed. No current year production motors allowed.
Mufflers are mandatory and must keep the car at 95 decibels or less. All mufflers must be packed, and checked routinely to ensure full packing is in place. No super trapps allowed.
All cars must have legible numbers in colors contrasting to the background on both sides of the car. Numbers should be separated from advertising so that they will stand out and can be readable by the scorers. All numbers must be at least 14 inches tall. Numbers are limited to 3 digits and letters are not permitted. Cars must have an 18-inch or larger number on the roof for scoring.
SAFETY RULES
NOTE: Cars, parts, components, and/or equipment will not be considered as having been approved by reason of having passed through inspection at any time or any number of times unobserved or undetected.
Unless these specs say you can do something, you cannot.