The TR 6001CB copper/brass radiator is an exact fit, OEM replacement for 1968 – 1974 Triumph TR6’s with a 6 cylinder engine. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core measures 16.38 inches from header to header, 16.49 inches from side to side, and 2.25 inches thick. Has a 1.25-inch inlet and outlet. Each unit is individually tested prior to shipping and guaranteed to be 100% leak-free.