Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/gasoline/straight-4/18-l/z-18-xer/" title="Opel gasoline straight-4 1.8 L Z 18 XER engine DIY maintenance and service manual">Opel gasoline straight-4 1.8 L Z 18 XER</a> engines, First stage

by Roman Paulov