thanks for the replies guys.
It's a disco 1 and as its an off roader and i'm selling, I think rubber will be ok. Poly isn't going to add any value to the car and it will probably end up getting trashed by the new owner anyway and scrapped or something
Mad I can press the old ones out and new ones in for a few beers I even have spare arms so your motor isn't off the road re poly bushes I'm not a big fan others like then but I had some polys (not genuine poly bush tho) and they lasted 6 months