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Steve Stasko · 07-28-2021, 09:31 AM

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.

07-28-2021, 09:31 AM	#3
Steve Stasko Member Join Date: Jul 2011 Location: Western PA Posts: 455 Likes: 13 Liked 274 Times in 143 Posts	Re: BB Mopar Head ID 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.