I drilled two holes opposite each other on each end of the pvc where the holes line up with the chassis I-beam. The bottom hole needs to be larger than the top hole. Then you can mark where the holes are to be drilled in the I-beam and drill pilot holes. Then, using 1/4 X 1 1/8 self-tapping bolt with fender washer, screw the pvc to the I-beam. That's what I did with two pvc pipes. I know there are easier ways but I wanted it so the mounting would not show.
Orv
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