1520 3 Row Radiator Shroud Fan Relay For 1988-00 Chevy C/K GMC C1500 C2500 C3500Description: This Aluminum Radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its light weight, and high heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Aluminum Radiator is at least 35% 45% more efficient than stock ones. Most importantly, it has a much higher capacity for coolant than stock ones,