Well, the confusion continues. I was finally able to get through to the manufacturer Addco, on the phone. Gave him the Addco part # 199. He looked up the build specs and said it was .875", which is 7/8", constant diameter bar. So that means possibly ram Air restorations had some bars specially made for them or the 1.125" bars are some other Addco part number or the build spec. sheet from 50 years ago is wrong or they made a diameter change and didn't update the drawings. Anything is possible. Anyone have a bar on their car that is 1.125" and was purchased under the part number Addco #199? Or some other manufacturer and part number? If I change my front bar, I would want the 1.125" bar. Going from .750" to .875" wouldn't do enough to make the change worthwhile. This would be for a front bar. I have a rear bar ordered. Thank you.
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