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Rules - Heads Up Rules

Pro Street Rules:

Published 12/20/13

2014 Rules Changes Highlighted in Yellow

Please also read the ORP General Rules which apply to all races conducted at Ozark. For Non-ORP races, the sanctioning body rules of the track the event is being held at apply.

Engine & Drivetrain:

  • Any power adder acceptable.
  • Must run a collector style header. (no zoomies)
  • Any motor combination acceptable.
  • Engine diaper for oil containment is required.

Weight Requirements:

Base Weight 2850
  • Deduct 200 lbs for Nitrous Oxide
  • Deduct 300 lbs for N/A Big Block
  • Deduct 400 lbs for N/A Small Block
  • Add 200 lbs for Screws, Twins and 5" and Bigger Bore Space Blocks

Body & Suspension:

  • Funny car or one piece bodies not allowed even if equipped with doors.
  • Maximum front end overhang of 45” as measured from centerline of front spindle.
  • An approved extension may be used to reach 45” if the front end overhang of the body is
  • less than 45”.
  • Doors required! Doors must be functional and able to be opened from both the inside and outside of the vehicle.


  • Cars will run on a .400 pro tree, for an 1/8th mile.
  • All cars must be able to pass track’s tech inspection – NO EXCEPTIONS.
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