lilRedDave does this look like it? I do believe this is the one and suddenly remembered I had purchased a spare NOS one years ago for my '79. Just hit me last night and I dug through my parts. It measures around 48". Can't believe I forgot I had this NOS part after all the chatting about it. If it's the one you need just message me and it's yours cheap. I can't read number on the tag and it's got a number written on the box but I think it's wrong but it's NOS Mopar.

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Facts are stubborn things.