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the reason no is 88 and later heads they changed the pitch of the inside four bolts that hold the intake manifold on. It wont bolt and and it will not seal if yo do find a way to force it.

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โˆ™ 2012-09-29 14:57:10
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Q: Will the cylinder heads from a 1990 Chevy 350 fit on a 1985 Chevy 305?
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