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6200 Pro-Street Truck

1)       Cubic inch limit is 473 Cubic Inch Displacement (CID), allow a 1% (4.73 CID) tolerance.

2)       One carburetor, no sheet metal intakes, no tunnel rams.

3)       OEM production cast iron heads only, No hemi heads .

4)       No fuel injection systems.                                                 

5)       Open exhaust okay, all exhaust must exit down and straight back with the end of the exhaust being parallel to the ground.

6)       Must run stock appearing frame and body. Cut out beds allowed, but must be covered.

7)       Can have solid rear suspension.

8)       Rear hitch location must be no closer than 36% of wheelbase to center of rear axle and maximum of 26 inches high.

9)       Must be OEM type transfer case, 1 ton max. Front and rear axles may be no large than 1 ton.

10)    No weights beyond factory bumper with bumper in factory position.

11)    Back of engine block may be no closer than 14 inches, plus or minus ¼ inch, behind centerline of front axle.

12)    Tire size is limited to DOT 33x12.5 or 305/70.

13) rules locked in for three years at 2011 rules meeting