Sure looks like the intake on my '63 - 389, with the heater hose (minus the valve) entering the front instead of at the rear of the block. But the water pump looks like the later model 7 bolt, where my '63 is a 4 bolt. I think the housing is a little different also. All this is by memory which has started failing me lately
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'63 Catalina Safari, Silverleaf Green / Cameo Ivory, nice options, 4 speed
'66 Grand Prix, Marina Turquoise, 421 HO, many options, 4 speed
My Garage
Tarheel Tigers Pontiac Club of Raleigh, NC