Re: a-arm shafts. offset or straight? w/ porterbuilt
You will use the bushings that come with the arm, along with the sleeves that came with the arm, there will be 4 of each with your package.
The arms are designed to be used with 73-87 OEM cross shafts (right off the website) so with that said, you will most likely want to use the regular cross shafts. However, im sure the offset ones would work fine also, they would just require a different amount of shims when you take the truck to get it aligned.
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