When fitting a rear whiteline arb (24mm) do i use the oe roll bar clamps or the one`s that came with the whiteline arb?. My oe ones have a bolt and a bit that slots into the mount but the whiteline clamps have to bolt fixings?.

 

You need the uprated mounts to go with those brackets...or you can what I did and cut off the two small lugs on the side of the brackets and also trim the bushes edges off. I also had to use longer bolts as the oe ones were not long enough to pull up the bracket.

I also plated the oe brackets for extra strenth, need a welder for that bit