i was havin a look at courteneys and they have a kit complete with poly bushes but im gunna ring them first coz from what i could make out you only get link arms bushes and nuts and bolts and its 110 quid heres the script
Spherical Rod-End Adjustable Front Anti-Roll Bar Link Kit
Astra G - Hatch, Coupe, Convertible, Van, Astra H - All, Zafira A and B.
This kit consists of a pair of high performance replacement link arms utilising ultra low compliance teflon coated spherical rod-ends. The result is much more precise and direct roll control, negligible rotational resistance, no binding and increased steering feel and feedback.
£110.05
Kit includes a pair of adjustable link arms with spherical ends, all required seals, spacers, lock nuts, bolts and washers.
what you reckon to this