Accessories for TITAN Travel Trekker(tm).9900001 Aluminum Body Insulator Kit. Some manufacturers of the new aluminum body pickup trucks recommend that no steel components be attached directly to the body. While TITAN's in-bed products are made of military grade polymer, the mounting brackets are steel. The addition of this kit to the Travel Trekker(tm), when installed correctly, insulates the steel components from the aluminum body. For any trucks with aluminum beds and/or bodies, model years 2017+