Dan, get a pair of anti roll bar bushes for the front bar. They go oversize with age and start rattling over bumps. The rear axle mounts should only be replaced with std rubber one. Due to the angle s the axle moves through, poly mounts just don't work.
Front wishbone bushes, just replace the front bush with ones from a TT, they are stiffer rubber. Again, poly is out. I have them and wouldn't do it again, they squeak loads and it's annoying.
Bumpstops are probably rubber on the MK4 unlike the foam organic ones of yesteryear on the MK2s and 3s. I don't see any advantage using poly ones unless you have lowered it significantly on std style suspension. Coilovers would have there own supplied with them I reckon.
Gavin
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