DeWitts manufacturers a high performance two row aluminum radiator that is a Direct Fit for all 66-68 big block Corvettes. This model also fits 1968 small block engines that were equipped with automatic trans or AC. This radiator will provide 25% more cooling than the stock four row copper radiator. It features the same size and configuration inlet and outlet, factory type channels, and press formed end tanks. No modifications are required. This is our standard design core with two 1" tubes andserpentine fins at 15 FPI. Natural Finish.
DeWitt Radiator's DIRECT FIT Corvette aluminum radiators are designed to install into the stock mounting and use the factory connections without any modifications or adapters. The term DIRECT FIT gets thrown around a lot today. Many companies offer replacement radiators and most of them require some alterations, even when they claim they fit. Each DIRECT FIT radiator starts with a USA made core, furnace brazed in their own furnace. Cores feature 2 rows of cooling tube