The rear wishbones that you need are part numbers 1H0 505 347 & 1H0 505 348 L + R, as fitted to the Golf 3 VR6Syncro
no others will give the wide track rear
unsuitable narrow track ones are p/ns
1H0 505 347A & 1H0 505 348A – Golf 3 Syncro 4 cylinder
357 505 347 & 357 505 348 – Passat VR6 Syncro
or anything starting with a 191 or 357 number