Hemi Heads, what are they!!

[69charger440]

Have a set of hemi heads that are bolted to a 426 hemi block but cant identify the heads.. They are Aluminum with "Stage II" and "P/4007655" casted into them. Cant seem to find anything on them. Huge exhaust ports and they are Dual spark plug with o-ring groove around the combustion chamber. But the head surface that bolts to the block has thick ears that go past the front of the engine block and the rear of the engine block, but looks like it bolted to something at one time. Dont have photos yet! Sorry

[JB400]

Keith Black

[randy73]

Sounds like some race heads w/dual plugs, company is probably out of business.

[Ghoste]

Isn't that part number an old Direct Connection one?

[maxwellwedge]

I was thinking the same thing......that sure looks like a Chrysler part number - especially with the "P"

[69charger440]

Coulndt find any info on them so we bought new Stage five heads. Not worth the gamble!!

[Ghoste]

Probably a better choice anyway.  What are going to do with the other ones now?

[Nacho-RT74]

lurking into the DIRECT CONECTION  book, found the dual spark plug heads PN to be 3614433 casting

Maybe the one you posted is a supersedes number BUT book on same section says these were not available new anymore... however book is from 1980.