Maximize the cooling efficiency of your Corvette radiator with factory style seals. Defective or missing seals allow air to bypass your Corvette's radiator, with resulting overheating and possible engine damage. This Radiator Seal Kit for your 1974-1975 with Air Conditioning is reproduced to exceed OEM standards and utilize the latest high performance rubber and foam. This 1974-1975 Corvette Radiator Seal Kit will add an extra measure of cooling capacity for your high performance engine.