Machine Shop Did not Shim Valve Springs

My task this morning was supposed to measure for new pushrods. But now I'm not sure if I was mailed the correct adjustable pushrods from Smith Bros. to measure what I need. It looks to me like the cup end of the adjustable pushrods they sent are just a tweak smaller than the factory 273 pushrods which I know fit into the factory adjustable rocker arms correctly.

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