Managed to get the links off today, some grease on it and they came right off. Got to get some new bushes when fitting them again. Is it correct that the finis code on these are 6046484?

One question regarding the big donut beam bush as i'm going to fit a powerflex bush here, does the bolt that goes through it needs to be longer when fitting a new bush? I think I've heard something about that before.

Thanks for the help so far guys, much appreciated!