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The Mishimoto X-Line aluminum radiator for 1955–1957 Chevrolet Bel-Air applications replaces the stock unit with all-aluminum construction and a 3-row core to increase cooling capacity. The source-supported overview notes improved heat dissipation, durable TIG-welded tanks and a billet aluminum fill neck, positioning the radiator as a reliability and cooling efficiency upgrade for those Bel-Air years.
Mishimoto 55-57 Chevrolet Bel-Air X-Line Aluminum Radiator
