Overview Brothers all-aluminum radiators are manufactured to a high standard of quality and workmanship. Each radiator is constructed using aircraft-quality aluminum with 100% welded seams with a billet fill neck (cap included). No epoxy! Cooling rows are spaced 3/8 inches apart with approximately 14-16 cooling fins per inch. Automatic trans cooler standard with all applications and brass petcock included. Radiators come with a lifetime limited warranty and are made to install with little or no modifications depending on your specific application and setup. Compatible with 1967-1972 Chevrolet/GMC C10/C15 Features Aluminum radiator Aircraft quality aluminum construction with 100% welded seams and a billet filler neck Each row is spaced 3/8-inches apart with about 14-16 cooling fins per inch Automatic transmission cooler is included in the lower radiator tank Brass petcock included