RPM's Shock Tower & Body Mount set will take the most abusive punishment and come back for more! Check out all of these features: Dual mounting screws for each body mount for the most incredibly rigid and toughest design ever! Twist-Lock Design for the body mount cross braces that holds the braces in place without the use of extra screws! Incorporated stress areas designed for maximum strength during those brutal crashes that would break weaker designs! Built from RPM's bulletproof blend of nylons. 100% guarantee against breakage! Each package includes one shock tower (which can be used in either the front or rear of the truck), 2 body posts, one front cross brace, 1 rear cross brace, four 4-40 screws, 4 jam nuts, & complete installation instructions. Two packages are needed to complete one vehicle.