275’s or 28’s or smaller tire

275’s or 28’s or smaller tire

B-SIDE

Any engine combo

Open to 4 and 6 cylinder only.

Open to all naturally aspirated 4/6 cylinder or rotary OEM frame import brand/sport compact vehicles ONLY. Import or domestic compact car bodies allowed. Lexan windows allowed. No One-Piece front ends, One working Headlight and Taillight required. Doors must open and close from inside and outside the vehicle. Dash must be installed in factory location. Fuel Cell is ok. All vehicles must retain factory chassis. Vehicles must maintain stock drive configuration. Wheelie bars and straight axles prohibited. Import vehicles may run 4 and 6 cylinder motors, as well as rotary motors. Domestic manufactured vehicles are limited to 4 cylinder engines. No power adders allowed. Power adders include turbochargers, superchargers, and nitrous oxide systems. All nitrous components prohibited even if bottle is not present. FWD or RWD allowed. Stock driveline configuration must remain. Any transmission allowed. Any type of exhaust allowed. Any DOT approved tires. Slicks limited to 25.0 for FWD and 26.0 for RWD applications. NHRA guidelines MUST be followed, .400 Pro tree, Pro Ladder.

Open to all cars. 5.35 Index Heads Up Racing. Any Combination allowed at any weight. No Throttle Stops or Delay Boxes allowed.

Open to all cars. 9.50 Index Heads Up Racing. Any Combination allowed at any weight. No Throttle Stops or Delay Boxes allowed.

Open to all cars. 10.50 Index Heads Up Racing. Any Combination allowed at any weight. No Throttle Stops or Delay Boxes allowed.

Open to all cars. 11.50 Index Heads Up Racing. Any Combination allowed at any weight. No Throttle Stops or Delay Boxes allowed.

Open to all cars. 12.50 Index Heads Up Racing. Any Combination allowed at any weight. No Throttle Stops or Delay Boxes allowed.