I tried e-mailing you to the address supplied but it was a bad address.

Rimmer Bros have them - http://www.rimmerbros.co.uk/Item--i-REB000590PR

Or you can buy them from Suplex http://www.suplex.de/en/contact who say they supply MG-Rover. I have bought a pair of front springs from them for my ZT 260.

In case of any doubt, I would never replace a single spring – always replace the pair.

Andrew
No. 104