Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/gasolinenatural-gas/straight-4/16-l/z-16-yng/95-hp.html" title="Opel gasoline/natural gas straight-4 1.6 L Z 16 YNG 95 HP engine DIY maintenance and service manual">Opel gasoline/natural gas straight-4 1.6 L Z 16 YNG 95 HP</a>, First stage

by Roman Paulov