This series is geared towards scale enthusiasts.  The cars may be re-bodied with aftermarket stock car bodies.  Cars that ran in ARCA and NASCAR from 1989 to present are eligible except for Gen 5 (COT).

 

These cars use 2" wide chassis and a true scale stock car body from Boss Bodies, Pattos, ProTrack, or other manufacturers.

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These cars are limited to 1/2" wide rear tires and 21,000 rpm motors.