1964 Pontiac GTO - Rebel's Rollover Restored
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Introduced in 1963 for the 421 H.O., the No. 716 cylinder heads were also used on the GTO in 1964. Containing 1.92/1.66-inch valves, the castings produce a 10.75:1 compression ratio on the 389ci. The owner reports this pair is completely original save for one set of valves. View Related Article
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