Here we have a buy it now for a pair of rear wheel cylinders to fit opel rekord , commodore , manta , ascona . Not sure if they  fit all years of all types of model so please study the pictures and make sure your happy there the correct part for your car . May also fit other opel and vauxhalls like kadett but not 100% as I'm a ford man so down to you to research... will have age related marks as their 30 years old  .check out my other items of ford parts ive been hourding for years, having a clear out as i can not move in my hobby shop . PLEASE NOTE that some postage addresses in Scotland and Ireland cost alot more to post to so ask for a quote if your from there..