What Carb for Poly Stroker

Well the carburetor arrived, but I need the wooden Edelbrock spacer to get here before I put in on. That should be here Monday.
First impressions: smaller and lighter than the Holley 1850 600, and way lighter than the 700 double pumper.
Seems a quality piece, MADE IN THE USA is reassuring, looking forward to getting it installed. I'll take the top off on the weekend and have a look inside.
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Old Holley’s are made of a zinc based materiel and the Carter/Edelbrock’s are made of aluminum. New Holley’s and all the clones are now made from aluminum. That’s the weight difference.