Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/gasoline/straight-4/14-l/14-nv/" title="Opel gasoline straight-4 1.4 L 14 NV engine DIY maintenance and service manual">Opel gasoline straight-4 1.4 L 14 NV</a> engines, First stage
by Roman Paulov