Mopar part number P3690982 (discontinued). Originally designed by Mopar / Weiand and purpose built for Super Stock racing.
Intended for this car:
Cool picture found on Facebook, mild build with ported 452 heads, stock carbs and a 509 cam:
More info here: Weiand 6 Pack Manifold Comments
I bought one off E-bay that had never been used and sent it to F&B Performance for modifications to convert it to port EFI:
Here is a comparison of this intake to a Edelbrock RPM so you can see the difference in runner length and volume.
A few pictures of the heads... "mildly" ported Edelbrock RPM heads, 75cc chambers.
Here are some pictures from a guy in Canada named Don Dulmage who prototyped a 2x4 top in wood then had it cast in Aluminum. DOn DulmaGE
Back from powder coating: