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So the heads are 5.9L magnum heads? I've read that the magnum heads are very good. It was an article about a 400 hp 318, and they used magnum heads. If the heads don't have a 2.02" valve, you can always put in a set of new SS valves. Cam sounds very streetable.



Are Magnum heads off a 318 the same as the magnums off a 360? Is there any years that are better or are they all the same?