1) CARS: Strictly stock from front bumper to rear bumper. Any 2 or 4 door foreign or domestic car with 90 inches minimum to 105 inches maximum wheel base. Must have safe roll cage. No front wheel drives allowed. 2) TIRES and WHEELS: 7" steel wheels-No aluminum, titanium, etc. 7 ½" max. DOT tires only. Tires will be measured from the outside to the inside. 3) BODY: Stock appearing-no sheet metal bodies. Plastic after market replacement nose and tailpiece allowed. Must have stock firewall and floor pan they must remain in stock location. Trunk may be cut out. Stock frames - bumper to bumper - bracing allowed. Factory spoiler allowed. No wedge nose or tubing front ends allowed.. 4) ENGINE: 4 cylinders only. Stock heads and block are mandatory. No grinding off of any parts, serial, casting or firing order numbers. Stock intake manifold, no porting or polishing. Stock Cast Iron Manifold only. No porting or polishing on heads allowed. Stock crank and rods only. Stock replacement pistons allowed-No racing or high performance type pistons allowed. No dual cam engines, turbo, blower, fuel injection, or nitrous. 2300 CC maximum engine allowed. . 5) FUEL SYSTEM: Any stock 2-barrel carburetor or 2-barrel Holley carburetor. 350 CFM maximum carburetor only. Gas only. Stock intake with a 1” maximum adapter or spacer only. Electric fuel pump may be used on blocks with no fuel pump hole. You must run a safety cutoff switch.. 6) SUSPENSION: Must be stock in stock location. Stock upper and lower control arms and rear trailing arms are allowed-no modification. No coil-over shocks or simulated coil-over shocks are allowed. Springs cannot be around shocks unless originally equipped. Shocks will be located in stock location. No 5th coil lift arms allowed. 7) TRANSMISSION AND REAR END: Transmission must be stock. No aluminum flywheels or small diameter racing clutches allowed. Working clutch and reverse gear mandatory. Rear end must be stock and it may be locked ANY RULE NOT COVERED IN THIS BOOK WILL BE DECIDED BY TECHNICAL INSPECTOR. TECHNICAL INSPECTOR’S DECISION WILL BE FINAL