If your stock or super stock racer was purchased prior to the year 2004, you will want to upgrade your floor board bolts to reduce the air drag on the bottom of your car. It consists of two zinc plated 3 inch elevator bolts, seven zinc plated 2 1/4 inch elevator bolts, six zinc plated 2 inch elevator bolts, two zinc plated 5/16 x 6 inch full threaded carriage bolts, two zinc plated 5/16 flat washers, and two zinc plated 5/16-18 nuts.