Rear Wheel Cylinder Repair Kit to fit: OPEL Manta B Rallye, GT, GTE  1975on 19.0mm dia. bore Genuine ATE parts in a Moprod box Moprod MWR440         ATE 030401 2919 This is the only information I can find on fitment so double check part number and photos to ensure it's correct  for your vehicle. If in doubt ask. What you see in the photo is what you get. Will be sent flatpacked.