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 Chevy/GMC C/K/G-Series C10-C20 C25-C3500 1970-1985
For Chevy El Camino 78-1987/ Impala 1980-1985
For Chevy Blazer 1973-1985/Suburban 1976-1980
For Chevy Monte Carlo 83-87/Oldsmobile Cutlass 78-88
For Chevy Nova 75-79 / Chevy El Camino 70-87
Radiator Size Details:

Core Size: 17" H x 26-1/4" W x 2"
Overall Size: 18-1/4" H x 31-5/8" W
Upper Inlet 1-1/2" located on the Driver side
Lower Outlet 1-1/2" located on the Passenger side
Trans Cooler: Included- 1/2" 20 STRAIGHT THREAD G1/4
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 3-Row Aluminum Radiator w/ Radiator Cap in a Carton Box