astra gsi brake servo bioas valves for disk brakes

[trossnova]

im after a pair of the proportion valves fitted to a astra gsi brake servo so the front brakes come in before the back for my nova in the sussex area if posible.
thanks for looking

[novarally]

I've got some of these (breaking 3 Astra GSi's), so please e-mail me:

colinesmith@aol.com

or

www.novarally.co.uk (http://www.novarally.co.uk)