the clusters are the brains. the carb body's on the majority of those afb's are the same. chrysler had a couple of versions that were a little different. what you have is of the more conventional style. anyhow, the 750 clusters should screw in and work. they're basically the same carb. the 750's are jetted quit a bit richer than a stock carb but that's easy to deal with. the only hitch would be the air bleed sizes but i don't think thats a major problem.