Pro Street Rules

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.

• 2023 PRO STREET CLASS RULES

   
  Engine & Drivetrain:
  Any power adder acceptable

  Any exhaust style acceptable

  Any motor combination acceptable

  Engine diaper/belly pan required
  Weight Requirements:
  2950 base weight for all boosted & above 5.0” bore space nitrous.

  5.0” bore and below Nitrous & NA No minimum

   
  Body & Suspension:
  Must be +4- inches from OEM wheelbase and body dimensions. Any material allowed.
  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”.
  Functional doors required which are able to be opened from both the inside and outside of the vehicle.
  Wheelie bars allowed.
  Any tire size allowed -150 for 33 x 10.5W or smaller, +100 for 29.5 PBR +150 for anything larger than 34.5 +300 for any radial larger than 295

   
  Miscellaneous:
  Cars will run on a .400 pro tree, 1/8th mile.
  Class size of 8 cars and above will be split into two fields (with 2 prizes) based on qualifying ET’s.
  If there’s 8/10/16 cars:
  4/5/8 car tier one

  4/5/8 car tier two
  Less then 8 entries =1 field

   
  ALL CARS MUST PASS TECH — NO EXCEPTIONS
  
  To maintain the “Spirit of the class” any vehicle to enter the class must be true to the intent and nature of the class. For example, you may not enter your tow Vehicle, Prius, Smart Car etc. in this class to maintain points if the race car is broke. Any car that does not typically race this class that wishes to participate, must first meet class rules and must be cleared by the race director before entering the class.

   
  ** RULES ARE SUBJECT TO CHANGE FOR THE BENEFIT OF THE CLASS **