A. All cars must have a roll cage. The roll cage must be approved prior to competition and it must be welded to the frame. The driver’s head must not protrude above the top of the roll cage with
B. the driver’s helmet on. The top of the roll cage must extend above the top of the driver’s helmet by a minimum of one (1) inch. The entire roll cage and all roll bar pieces must be fabricated from magnetic steel a minimum of .095” in thickness.
C. The driver and right-side door bars must be parallel to the ground and located perpendicular to the driver. There must be right side door bars. The side bars must be welded to the front and rear of the roll cage. No brazing or soldering is permitted. The door bars must have a minimum thickness of .095” and must have a minimum of 1-1/2” diameter. On the driver’s side, there will be a minimum of three (3) door bars.
D. Foot protection is mandatory. One piece of magnetic steel tubing, a minimum .095” in thickness, must be fastened and/or welded across the back of the engine with vertical tubing a minimum of .095” thick.
E. The door side roll bars are mandatory and must extend into the door panels.
F. The roll cage must consist of continuous hoops that are no less than 1-1/2” in diameter and must have a minimum thickness of .095”.
G. The roll cage must be mounted securely (welded) to the frame in a minimum of 6 (six) places.
H. The roll cage must consist of a configuration of front and rear hoops connected by tubing on the sides and/or side hoops. Roll cage must be securely supported and braced. Gussets to brace any portion of the roll cage will be permitted.