As Jon said look on ebay for a set of bilies, from what i have heard for road use your better with gravel springs as the tarmac set up can be a bit harsh.
Pm Mike Rainbird he did a good section in one of the mags about this recently, im sure he said if its a road car dont go for compression struts as the springs you would have to run to compensate would be real harsh.

Ps. Yours isnt the white car that was in at ava a few weeks ago is it?