Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/gasoline/straight-4/18-l/z-18-xe/123-hp.html" title="Opel gasoline straight-4 1.8 L Z 18 XE 123 HP engine DIY maintenance and service manual">Opel gasoline straight-4 1.8 L Z 18 XE 123 HP</a>, First stage

by Roman Paulov