1) BRAKES: Stock four wheel hydraulic brakes. All in working condition. Neal type brake assembly permitted. No brake bias.
2) CARBURETOR: Holly #4412 carburetors will be allowed. Aluminum manifolds will be allowed. 1 maximum height adapter plate.
3) CLUTCH: No (in & out) boxes. Must be all clutch operated (with motor running and car in still position, driver must put car in gear and move forward & backward at time of inspection). Clutch must be inside of bell housing.
4) DRIVE SHAFT: Drive shaft must be painted white and have a metal strap or chain, car # clearly marked on shaft.
5) ENGINE: Stock engine-matching make of car. Number one spark plug must be in line with the screw jack. No roller camshafts, roller tip rockers are ok. No aluminum heads or blocks.
6) EXHAUST: Mufflers are mandatory. 100 decibel limit. Mufflers must be securely welded in place. Optional 1 Ύ maximum primary tube headers.
7) FRAME: All pro stocks will have minimum 102 wheelbase. UNIBODY CARS: The front stub and rear clip may be connected with a minimum 2 X 2 square to stock mounts, must be in stock position. Camaro and Firebird front sub frames of unibody must be 1981 and older.
8) FUEL: Any type of regular fuel is ok. No Alcohol. No Additives. Fuel pump-no electric or belt driven fuel pumps allowed.
9) FUEL CELLS MANDITORY: Tank construction, location and mounting are subject to inspection. Must have bladder & check valve. Must have canister around tank. Gas cap must be secured to fuel cell by cable, chain, or tie.
10) HUBS & WHEELS: Eight-inch wheels maximum. 4 commercial wheels are required. Car must be equipped with 1" lug nuts. Bead lock, on right rear ok. No plastic or carbon fiber wheels.
11) GLASS: Windshield optional. If used, it must be safety glass, Lexan, or heavy screen. No Plexiglas. No mirrors.
12) HOODS: Must be securely fastened.
13) IGNITION: Any stock ignition. No after market dual point ignition or magnetos allowed. No crank fire ignitions, MSD, or Mallory, etc.
14) RADIATOR: Any type of radiator may be used. Must be in front of the car and under hood.
15) REAR AXLE: Stock floating rear-end, Posi-traction and locked rear-end allowed. No quick changes.
16) ROLL CAGE: Must be Grand National design with upright supports. Must have halo bar. Four door bars are required. Cage construction should be a minimum of 1 ½ OD tubing (090). No aluminum tubing. The drivers seat must be fastened at bottom and back of the roll cage. Must have 2 steel plates 18 X 24 X 1/8 in the drivers door, and 6 X 12 X 1/8 behind the seat in front of the trailing arms.
17) SEAT BELT: Must be racing type and quality. A 3 seat belt, 2 or 3 shoulder harness, and submarine straps are required. All belts must have manufacturers date not more than 3 years old.
18) SHOCKS: One shock absorber per wheel. No air coil-overs, or struts allowed on the front. Racing shocks ore ok and one 90/10 shock allowed mounted from top of rear end housing to roll cage.
19) STARTER: Must be in working order.
20) SUSPENSION: No adjustable spring mounts on cars. Springs must be mounted in stock location. No adjustable sway bars or pan hard bars. Stock type mounted; steel cross shaft tubular upper control arms are permitted. No heim joints anywhere on the vehicle. No 5th coils. Screw jacks are allowed.
21) TIRES: P 245 approved American Racer tires only. No grooving or scribing (scoring) of tires.
22) Transmission: any stock transmission, manual or automatic (stock converter in automatic). No quick change transmissions. Scatter Shield or protective plate 180 degrees around clutch. If L-Plate is used, 1/8 minimum thickness required.
23) WEIGHT: 3000 pounds minimum weight. Added weight must be in plain sight, painted white and have number painted on it in a contrasting color. No cement or liquid style weights. Weights must be mounted to the car with the minimum of two ½ bolts and nuts per 50 pounds of weight. No weight on rear bumper, or outside body of the car.
24) STEERING: Quick steers are ok. No rack and pinion steering.
25) BODY: After market bodies are allowed. Must be stock appearance. Body must extend over ½ of the tire. No side windows or air deflectors allowed. Driver must be able to exit from both sides of the car with helmet on. No bolted slab sides bodies. Rear roof sail can be no longer than 24. All roofs must be 41 minimum, and not more than 45 from front to back, and 48 minimum, and not more than 54 wide from side to side. No dished out roofs, no wings.
26) SAFETY: Driver must wear approved: Racing Helmet, Firesuit, Nomax gloves. Vehicle must be equipped with a complete roll cage with a halo bar, window net (bolted on the bottom with fastener on the top), and a removable steering sheel. Drivers head with helmet on, must not rise above roll bars. Tie straps must hook gas cap to fuel cell.
27) BATTERY: May be located anywhere outside the drivers compartment. It must arrive at the track fully charged, mounted and covered. Car must start under own power.
28) WRECKER HOOKS: Front & rear. Cable or chain preferred. Tow hook cannot extend in front of car. If there are no wrecker hooks on the car, it will be pushed, towed or dragged to the infield until program is completed. Neither Wrecker Crews or Racetrack Personnel will be responsible for any damage done to any vehicle.