Rules - Heads Up Rules

Pro Street Rules:

Published 12/3/12

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:

• Small block — 2800lbs
• Big block — 3000lbs
• Screw blower — add 200lbs
• Twin Turbos — add 200lbs
• Naturally Aspirated — deduct 200lbs

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.

Miscellaneous:

• 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.