Product Description


Another great vintage listing from Falcon Classic! This listing is for a BEST Gasket copper cylinder head gasket for 1935-38 GMC models and 1935-54 Pontiac models using a Pontiac-designed 208ci, 222ci, or 239ci flathead 6-cylinder engine. P/N 517C. BEST Gasket is the leading name in sealing performance in the restoration industry. Image shown is an actual factory supplied picture.

Best copper cylinder head gaskets consist of one layer of copper and steel on the other side for this application. Excellent torque retention is achieved by using superior materials. Best copper gaskets are definitely “old-school” but with a modern flair for better performance. They are such works of art, we almost hate to sell them!

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