What are these called ?? (273 Valve cover wire holders)

I ordered these and they worked for me. They call they spark plug wire separators they list the years 66 to 68

https://www.classicindustries.com/p...VmmxHAR11KweXEAQYAiABEgKR3_D_BwE&gclsrc=aw.ds
THose are for 67 covers if we are talking about the HP covers only. . 65 and 66 covers use the individual ones.
These are 65 and 66 retainers

https://www.megapartsusa.com/proddetail.php?prod=101-PWBAX5
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