Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/30-l/zd3-200/134-hp-at-3600-rpm-320-nm-at-1800-rpm.html" title="Opel diesel straight-4 3.0 L ZD3 200 134 HP at 3600 RPM, 320 N⋅m at 1800 RPM engine DIY maintenance and service manual">Opel diesel straight-4 3.0 L ZD3 200 134 HP at 3600 RPM, 320 N⋅m at 1800 RPM</a>, First stage

by Roman Paulov