Description
Our masts are the correct dimensions for 1968-1978 Corvettes and include part #163018, antenna mast retainer nut. The base is 0.165-0.170 in diameter, the tip is 0.300-0.305. The included nut has two flat sides and is 1/2 inch x 20 thread. There are teeth on the bottom of the mast that mesh with teeth on the antenna body to prevent turning when the nut is tightened. This antenna mast measures 31 1/2 inch overall length.For more information, please check out our Tech Blog









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