5.50 Index

5.50 INDEX:

Minimum 12 Index cars required for full payout. All classes run 1/8th mile.

  • All run field. Ladder at 16.
  • Door cars, trucks or lefthand steer roadsters.
  • Any power adder.
  • No throttle stop or NOS timers.
  • Must have diaper.
  • No electronic control devices other than ignition box permitted on vehicle.
  • Delay box must be non-operational and not used.
  • Trans brake allowed.
  • Working lights (tail) required.
  • All chassis combinations permitted.
  • Electric shifter & air shifter OK.
  • No tire restrictions
  • Nitrous button or micro switch OK.
  • 5.50 break-out rule
  • .400 tree
  • Tech officials have final discretion on all rules on race day.
  • Auto Start will be in effect.
  • Bye runs – all vehicles must take the tree
  • All NHRA Safety Rules Apply.
Thanks for your cooperation!

Last updated: December 19, 2022