Powersteering -66 valiant conversion

I used tha idler arm for my 66(because it wuz new) and the pitman arm that wuz on the 71 geerbox...I checked the idler arms aginst each other, and seen no differnce???...Not dispute'in ya word about being listed az differnt, but juss say'in that my 66 worked with a 71 pitman arm....heerz a pic

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