----Not just a 421, but a 421 HO! It's my belief that the car should have come with a full one piece air cleaner. Very hard to find anymore. A lot of HO owners switched to 3 ac's thinking the performance would be enhanced, but that is not the case as the big ac allowed a cleaner air path to the three carbs, at least thats what I was told. The hurst shifter is the same model that was installed in my 64 421 HO Grand Prix shortly after it was purchased new. A lot of incorrect stuff here and there but what a beautiful drop-top Pontiac....Bill S
Last edited by olredalert; 09-28-2024 at 03:11 PM.
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