Concerned about corrosion forming inside chassis crossmembers? This crossmember plug kit seals off the exposed openings from the elements to prevent road salt, sediment and moisture from collecting inside the frame and promoting corrosion. Product Features:Preventative repair - this crossmember plug kit seals off the open sections of the chassis crossmembers to prevent corrosion from sediment buildupEasy to install - made of molded plastic, these crossmember plugs require no tools to install and are held in place with a snug friction fitComplete kit - includes four plugs to enclose both crossmember sectionsQuality assured - part has undergone fitment testing to ensure proper fit