Something between 2100 and 2150. Characteristics of both. Good casting quality, good fit, tight waves. Attached to an AMC 258 in a Cj5 with a later 2bbl manifold and adapter plate. Came out of the box, needed very little adjustment. Very happy with it. At this price I expected something much, much worse than what I got. Trying to get rid of the old battered crankcase on your Jeep is the way to go. Fits, works, and you don't have to deal with that ugly Weber air filter. Looking at the gaskets and small parts it looks like a late 2150 for carburetor kits.
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