Cylinder head decision for 318

toolmanmike said
Look for a pair of 920's. Close to the 302's but no cracking issues that I have heard of. Smaller ports (273-318) and small closed chamber.

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The guy is trying to build hp last thing I'd put on is any 273/318 head, Could go with magnum but they crack too but at least they make power, He's willing to spend money on decent head don't get why not do that.