Best manifold out there when modified for iron heads.
Only the original Nash version was Magnesium, S-K and Warrior are aluminum.
Doesn't work great without a spacer and the manifold is already tall to begin with.
Will need some grinding to run a 4150 without a spacer.
Prices are all over the place, but I'll guess $300-$500 depending if your pitching or catching.
Sexiest looking manifold ever made for a Pontiac.
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