No (in and out) boxes. Must all be clutch operated (with motor running and car in still position, driver must be able to engage car in gear and move forward and backward at time of inspection). Clutch must be inside of bell housing.

DRIVE SHAFT

Steel drive shaft only, MUST be painted white and have a steel driveshaft loop measuring 1/4” thick by 2 inches wide, located on the forward 1/3 to prevent it from dropping onto the track.

ENGINE

Stock American engine. Number 1 spark plug MUST be in line with the ball joint. You may use roller rockers, only with 1” minimum inspection hole in intake. No roller camshafts, roller tip rockers are OK. NO ALUMINUM HEADS OR BLOCKS.

EXHAUST

I.M.C.A. Mufflers are MANDATORY .100-DECIBEL LIMIT. MUST BE AT THE END OF EXHAUST, may be added to your current system. NO turndowns. Mufflers must be welded securely in place. Loss of muffler may result in disqualification. Optional 1 ¾” maximum primary tube headers.

FIREWALL

The firewall at the front of the cockpit shall be a wall of protection against fire from the engine compartment. It shall be tightly solid from top to bottom. Not allowing airflow from the engine compartment to the cockpit.

FRAME

All Pro Stocks will have minimum 102" wheelbase. All vehicles will be stripped completely of interior, except driver’s seat which will be securely fastened to the roll cage, and will be equipped with a head rest or a high back racing seat and will be subject to local track inspection. UNIBODY CARS: Rear portion on unibody cars, starting at the leaf spring mounts, may be fabricated or reinforced. The front sub and rear clip may be connected with MINIMUM 2"x2" square tubing. No round tubing on the main frame rails. All spring and shock mounts must be in stock position. CAMARO AND FIREBIRD FRONT SUB FRAMES OR UNIBODIED CARS MUST BE 1981 OR OLDER. NO EXCEPTIONS!!! ONLY TWO REPLACEMENT FRONT SUB’S ALLOWED. Howe’s part #358-8-01, Phone # 989-435-7080. Port City # 1002-205 Ph # 800-472-2464. IF USING AFTERMARKET SUBS, 100 LB. WILL BE ADDED TO FRONT OF CAR, 50 LBS. ON EACH SIDE, IN FRONT OF BELLHOUSING.

FUELS

Racing fuel is ok. No alcohol or additives.

FUEL PUMP

No electric or belt driven fuel pumps allowed.

FUEL CELLS

MANDATORY. Tank construction, location and mounting are subject to inspection. A leaking tank is grounds for disqualification. Must have bladder and check valve on fill pipe. Must have canister around tank. Must have approved loop behind the fuel cell, minimum eight (8) inch clearance. Gas cap MUST be secured to fuel cell by cable, chain or tie strap.

HUBS & WHEELS

Eight (8) inch wheels maximum. A commercial wheel is recommended. NO Wide 5s allowed. Car MUST be equipped with safety wheels on the right side and large safety lug nuts. BEAD LOCK ON RIGHT REAR ONLY. NO PLASTIC OR CARBON FIBER WHEEL ALLOWED.

GLASS

Windshield optional. If used, it MUST be safety glass, Lexan, or heavy screen. No Plexiglas. Use of Plexiglas will result in suspension for the night. This is subject to inspection. NO MIRRORS ALLOWED.

HOODS

Must be securely fastened, subject to track inspection. A air cleaner and fire arrestor are mandatory.

IGNITION

Any stock appearing distributor. Must accept stock distributor cap. No after market dual point ignition or magnetos allowed. No crank fire ignitions. Only stock manufacturer bolt on type parts allowed. Ex: MSD or Accel replacement coils or modules allowed providing it fits in stock location.

RADIOS

No radios, EXCEPT MANDATORY RACECEIVERS, allowed in car, or any pit member or anyone connected with the racecar.

RADIATOR

Any type of radiator may be used. Must be in front of the car and not extend through the hood.

REAR AXLE

Locked rear-end MANDATORY. NO QUICK CHANGE REAR-ENDS.

ROLL CAGE

Must be Grand National design with upright supports. Must have halo bar. Four door bars are required in the driver’s door. Cage construction should be a minimum of 1 ½" OD tubing (.095). No aluminum tubing. The driver’s seat must be securely fastened at bottom and back of the roll cage. Must have steel plate 18" x 24" x 1/8" in the driver’s door, must have steel plate 6" x 12" x 1/8" behind the seat in front of the trailing arms.

SEAT BELT

Must be racing type and quality. A 3" seat belt, 2" or 3" shoulder harness, and submarine straps are required and subject to inspection. All belts must have manufacturers date not more than 3 years old (must be able to read date). MANDATORY: All components MUST be fastened whenever car is on the track, during racing and qualifying.

SHOCKS

One shock absorber per wheel. No air coil-overs or struts allowed on the front. Steel racing shocks are OK on the front and rear. One 90/10 shock allowed mounted from top of rear end housing to roll cage.

SHOCK CLAIM

$50.00 per shock may claim any or all shocks, 1 claim PER DRIVER, PER SEASON. May claim anyone in the top 4. MUST BE IN WRITING and given to tech inspector in the tech area within 5 MINUTES of end of the feature. Must finish on the lead lap to be eligible to claim. FAILURE TO SELL: disqualified for the night, loss of points and money for that night only. Must qualify from rear most spot the following week. This is intended to keep the cost of this class down.

STARTER

MUST be in working order. ALL CARS MUST START UNDER THEIR OWN POWER IN THE STAGING AREA OR THEY WILL GO TO THE REAR!

SUSPENSION

NO coil over springs. NO torque arms or torque links. NO aluminum suspension pieces. All springs must be over 4 ½" in diameter. Front springs must be mounted in stock location. No adjustable sway bars. Stock type mounted; steel cross shaft tubular upper control arms are permitted. No 5th coils. Screw jacks are allowed. Heim joints may be all steel ¾" (minimum). No coil over eliminator. All brackets must be welded on rear end. No swing arm suspension. 2 trailing arms, 1 pan hard bar, 1 pull bar or lift bar max.

TIRES

P245 approved American Racer tires only. Tire pressure must be at least 17 lbs on right rear, after each race.

TRANSMISSION

Any transmission, manual or automatic. NO quick-change transmissions. Must have scatter shield or protective plate 180 degrees around clutch. If L-plate is used, 1/8” steel plate is minimum thickness that will be allowed. NO Bert type transmissions. Must have a disengageable drive train. NO direct drive systems.

WEIGHT

3,000 lbs minimum. Added weight MUST be in plain sight, painted white or silver, MUST have the car number painted on it in a contrasting color and must be readable. No cement or liquid style weights. Weights must be securely mounted to the car with the minimum of two (2) ½" bolts and nuts per 50 pounds of weight. Loss of any weights may be grounds for disqualification. No weight on rear bumper or outside body of the car.

WRECKER HOOKS

MANDATORY – FRONT AND REAR. Cable or chain preferred. Tow hook cannot extend in front of car. Both must be easily accessible. If there are no wrecker hooks on the car, it will be pushed, towed, or dragged to the infield until after the racing program is completed. A $10.00 fine may be assessed for no useable wrecker hooks. NEITHER WRECKER CREWS NOR RACETRACK PERSONNEL WILL BE RESPONSIBLE FOR ANY DAMAGE DONE TO THE VEHICLE.

STEERING

Quick steers are OK. No rack and pinion steering.

DISCLAIMERS

Drivers may lodge a protest against another car they believe to be illegal. Protest MUST BE IN WRITING BEFORE FEATURE and accompanied by a $25.00 protest fee. Fee will be refunded if protest is upheld. One protest per person per feature.