Make sure your 1969-1976 Corvette 350 with a Brass/Copper Radiator keeps its cool. Inspect the Radiator Hoses on your Corvette and replace any that are brittle, spongy, or show signs of deterioration. Our Upper Radiator Hose is a direct fit General Motors licensed reproduction. This Radiator Hose is for Corvette Models with the 350ci and brass/copper radiator.