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Prothane radiator insulators for 1968–1987 GM big-block applications, black. These insulators cushion the radiator at mounting points to reduce vibration transfer and potential wear where the radiator meets chassis supports. Offered to suit big-block GM installations from 1968 through 1987, they provide a direct replacement option for radiator mounting hardware when restoring or servicing the cooling system.
Prothane 68-87 GM Big Block Radiator Isolators - Black
