Heres a few. Unless yours are somehow different stairs should mount flush to bumper with the bracket, using the bent arms to replace the factory horizontals. (flush in height but 1-1/2" gap between)
However it only worked using the very short clipped pins. Couldn't use locks?
THis is the left side
Right side
The pin holes line up.
This was my issue, the short clip pins would work. However I'm simply not carrying them without a means at least to slow down them growing legs. Plus I didnt like the last support at middle of tread instead of bolted to end of tread like factory horz. bar. Note pic above the middle arm replaced by overlayed bent arm supplied.
Getting thru to inside tread the holes didnt line up.
I drilled the tread hole a little larger for new pins using pins I had to size.
But new pins are slightly different, longer and smaller. I wanted full support of end of tread on the pivot. Otherwise you 'could' simple cut off end of tread arm to use locks.