No hollow stem valves, no liquid cooled valves. Any kind of ignition mechanically driven in stock position. No crank trigger ignition systems. Only one spark plug per cylinder. Unlimited 361 CID or less - Cast Iron Small Block 2400 lb.
All weights are minimum, with driver, after the race, at speedway, on speedway scales.
Track scales will be official, no protest or appeals are allowed on their findings. Year 2002 - No Aluminum Blocks. All cars are subject to inspection at any time and must be free from mechanical defects and be in safe racing condition. Driveshaft cover mandatory. This drive shaft cover must be a solid unit with no cutaways for lightening purposes.