Need help with some parts - bushes.

ok, car is due mot next week and i need to get the lamda sensor sorted as thats thrown a light on the dash. took down to VW and they have putit on the reader and given my the part number etc.

Also need the following.... control arm/wishbone bush.

VW wanted £59.00 each.

I can get the following on eurocar parts but why the difference in price between these two.

http://www.eurocarpa...nsion-bushes/?6
610441425&1&352814fef0c22fe4f8109d92716ab82704b6dab3&000437

and

http://www.eurocarpa...4bfac36a

also ive been thinking about going powerflex but its probably right in front of my eyes but cant see it on the website...

http://www.powerflex...R32-2778/1.html