Re: Manifolds VS Headers round two thousand
Quote:
Originally Posted by Bigstevex4
why did they put that bump in there?
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casting for AIR injection tubes.
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1977 Chevrolet C/10 Silverado. Step-Side, Factory 454, TH400, 3.73 Posi 12 Bolt.
1975 Chevrolet El Camino. 350, TH400, 3.08 Posi 10 Bolt.
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