hi, i recently upgraded my brakes to Vectra brakes (256mm) and i can difinately notice a huge difference over VW1 brakes!!
i have just taken some brakes of a 1.8 16v vectra that have the same ones i used!
the carriers on the vectra brakes are the same fitment as the polo mk3 fitments so bolt straight on once you have re-tapped the hole from m10 to m12
i am selling the carriers and calipers for £50.
you will need brand new vectra pads, and a mk2 gti 16v front discs and new vectra pipes for them to fit, all available from eurocarparts.
Located witney, oxfordshire!!