Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/gasoline/straight-4/12-l/z-12-xep/" title="Opel gasoline straight-4 1.2 L Z 12 XEP engine DIY maintenance and service manual">Opel gasoline straight-4 1.2 L Z 12 XEP</a> engines, First stage

by Roman Paulov