Quote:
Originally Posted by Steve Stasko
The Stage IV was an over the counter replacement head Direct Connection sold in the late 1970-s, through the early 80's. They are standard port window, not Max Wedge port window, and they require a special offset intake rocker (more than stock, but not as much as Max Wedge). I believe the offset is .100 more than stock. They are slightly better than a "452" casting, but not as good as a Max Wedge head out of the box.
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I've never known a Max head to require an offset rocker.