Mk1 escort Top Mounts

So is there any way of finding OEM or reproductions of the original rubber top mount for MK1 (1.1, 1.3) escort?

I've looked at spherical bearing tops, they look good but I've read they can be unreliable??

These are 40 pounds each from the uk
http://compbrake.co.uk/shop/product_info.php?products_id=4396