Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/gasoline/straight-4/18-l/x-18-xe1/114-hp-at-5400-rpm-170-nm-at-3400-rpm.html" title="Opel gasoline straight-4 1.8 L X 18 XE1 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM engine DIY maintenance and service manual">Opel gasoline straight-4 1.8 L X 18 XE1 114 HP at 5400 RPM, 170 N⋅m at 3400 RPM</a>, First stage

by Roman Paulov