Below are the requirements for the chassis, gears, tires, axles, motors, and bodies.
Friday Night Factory Stock Cars
Tuesday Night IRRA rules are followed for the class being run.
The chassis must be JK Cheetah 21 only.
The motor may be soldered to chassis.
Additional lead wire retainers may be added.
Pin tubes are not allowed.
Bite bar must be round and between .045″ and .064″ and 3.00″ to 3.02″ long.
Only 36 tooth, 64 pitch straight cut plastic/polymer spur gears may be used.
May solder pinion on motor.
Only 10 tooth, 64 pitch straight cut pinion gear can be used.
3/32″ rear axle but must be solid steel
Rear axle height cannot be changed.
Minimum front axle diameter is 0.047″ and must be solid steel.
Front axle must pass through both chassis uprights.
Must use a Hawk 7 un-opened motor.
The motor cannot be modified.
Body must be cut at or below the cut line when cut line is present.
Interiors must be a 3-dimensional driver. Interiors must be complete. No paper or clear interiors are allowed.
3 numbers are required. Painted or stickers are preferred. 3/8″ tall or taller.
Front wheel wells must be left clear or the body cut to the horizontal center-line of the front axle or decals must be on the body but you must have front wheels.
All windows must be left clear.
For stock car bodies, splitter must remain and a 1/8 inch rear bumper.
Parma COT #1035
JK COT #70528
JK COT #70529
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