Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/gasoline/straight-4/16-l/z-16-se/83-hp-at-5400-rpm-138-nm-at-2600-rpm.html" title="Opel gasoline straight-4 1.6 L Z 16 SE 83 HP at 5400 RPM, 138 N⋅m at 2600 RPM engine DIY maintenance and service manual">Opel gasoline straight-4 1.6 L Z 16 SE 83 HP at 5400 RPM, 138 N⋅m at 2600 RPM</a>, First stage

by Roman Paulov