Those plastic gasket holders aren’t design to be squished with the gasket. The factory intakes are cut back to clear them. I usually use a little silicone on both sides of the gasket around the water crossover and a little on the other end to hold the gaskets in place. HTH
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'71 GTO, 406 CID, 60916, 1.65 HS, '69 #46 Heads 230CFM, 800CFM Q-jet, TH400, 12 Bolt 3.55
'72 Lemans, Lucerne Blue, WU2, T41, L78, M22, G80
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