ROLL BAR: A single hoop rear roll bar is mandatory. Must be mounted within 2 inches behind driver seat and 4 inches minimum above drivers head. Roll bar must be welded to frame or bolted in place using 1/4 inch by 8 inch square plates top and bottom of floor pan with 4 each ½ inch bolts and lock nuts. Roll bar must have two 45 degree rearward support bars. Roll bar must have one diagonal brace welded from top to bottom of hoop. Roll bar must have one horizontal bar welded in place for upper seat belt attachment. Minimum 1 ¾ inch tubing of .095 wall thickness. Roll bar padding mandatory on all bars within reach of driver.
DOORS: All doors must be welded shut. Drivers door plates are required and must be made of material no less than 6 inches wide by ½ inch thick strap steel, extending past the front and rear door seams. May be welded or bolted with ½ inch bolts and locknuts. Two per side of car required. Grater blade material highly recommended.
WINDSHEILD AREA: Windshield area must have two ¼ by 2 inch straps spaced no more