Stock Replacement 3-Row Radiator for 1965-1966 6-Cylinder Mustangs.The core size of this radiator is 16-7/16" x 17-1/4" x 2". The inlet is on the right and is 1-1/4" in diameter. The outlet is on the left and is 1-1/4" in diameter. This radiator has a front flange style mount.
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Key to replacing the radiator on a 1966 6-cyl is to buy a 2 core radiator not this 3 core. This is a low cost option which because it is a 3 core requires a change to the fan spacer to allow additional space for the deeper/thicker 3 core. The order taker was not aware of this fact so once received it was cheaper and faster to replace the fan spacer than return the radiator. Bottom line know what you need because the person taking the order may not.
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