Full aluminum construction with durable, TIG-welded end tanks Stringently tested to optimum performance and dependability, Increased durability over the factory plastic end tank radiator 4 Rows Core more thicker than 3 rows, Core size: 21.18 inch Width x 16.85 inch Height x 2.44 inch Thickness, Pls confirm size before purchasing Also fit for 1980-1987 Oldsmobile Cutlass Pontiac Grand Prix 3.8L Transmission Oilcooler : include, built-in, f32 x 215 x G1/4(Z); OEM Style Brass Petcock Drain Part number: ECM-R-2020 Fit type: Vehicle Specific ECMRAD Aluminum Radiator is produced and designed to provide maximum cooling efficiency to prevent engine cooling failure. It is made of full aluminum 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. It has an increased durability over the factory plastic end tank radiator, and much inmprovwed engine cooling. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. This Aluminum Radiator Compatible for: for 1980-1987 Buick Regal V6 3.8L for 1967-1971 Chevy Camaro RS L6 4.1L SS V8 5.7L/Z28 V8 5.7L for 1968-1971 Chevy Chevelle SS V8 5.0L 5.7L/ Chevelle Malibu for 1981-1987 Chevrolet Monte Carlo V6 3.8L for 1980-1987 Oldsmobile Cutlass Supreme Base V6 3.8L for 1981-1987 Pontiac Grand Prix Brougham V6 3.8L Radiator Size Details: Core Size: 21.18WIDE X 16.85 HEIGHT Overall Size: 27 WIDE X 19 HEIGHT Inlet Hose Connection: 1 1/2 Driver Side Outlet Hose Connection: 1 1/2 Passenger Side Surface finish: Aircraft 5057 grade aluminum tank & core Petcock Drain: OEM style brass petcock drain Radiator Cap: CNC machined filler neck and cap Package Included: 1 X 4-Row Aluminum Radiator w/ Radiator Cap 1 X Aluminum Shroud 1 X 16 Fans (Includes mounting kits) 1 X Thermostat Relay Kit in a Carton Box