Mazda RX7 1979-1982. Radiator & parts. Radiator cap(If Any). The difference between all aluminum radiators and OEM radiators. All aluminum radiators often add 24MM-34MM thickness on basis of OE radiators,the design of double rows makes the the radiators higher and fast cooling,(Becasue the normal working temperature is not lower than 85 ℃,usually in 85℃-90℃，it can’t be lower than the normal working temperature. ).
