The Hobby Stock car is an eight-cylinder stock car based on stock production cars.  All cars have been modified for driver protections (roll a cage, racing seat and belts, fuel cells, etc.) The chassis is absolutely stock. The engines are limited to 362 cubic inches and 9.3 to one compression. This division competes on takeoff American Racer take off racing tires. The racing is extraordinarily competitive and a few of these drivers have progressed to the more sophisticated divisions.