Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/gasoline/straight-4/16-l/z-16-xer/" title="Opel gasoline straight-4 1.6 L Z 16 XER engine DIY maintenance and service manual">Opel gasoline straight-4 1.6 L Z 16 XER</a> engines, First stage

by Roman Paulov