If you're in the process or replacing the floor pans in your classic squarebody then you will likely need a new brace for the floor, as well. BROTHERS Trucks has just what you need with our replacement cab floor support brace for the 1973-1987 C/K series truck and 1973-1991 Blazer/Jimmy/Suburban. These braces are manufactured for a precise fit and are made from heavy gauge steel and EDP coated for strength and corrosion protection. They will provide the quality and fit that your project needs.