.
It's probably already been posted in this thread (even by me) but I can't be arsed to trawl through 25 pages to find out:
It's a good idea, IMO and others, to replace the OEM bushes with polyurethane bushes on the other end of the wishbone when fitting Whiteline WALK. Mine are Powerflex (purple) polyurethane in this location and SuperPro elsewhere:
OEM bushes deteriorate much more rapidly than aftermarket polyurethane ones and also lose elasticity.