Cylinder head, Cylinder head screws, <a href="https://garage.wiki/opel/engines/diesel/straight-4/15-l/15-d-4ec1/50-hp.html" title="Opel diesel straight-4 1.5 L 15 D (4EC1) 50 HP engine DIY maintenance and service manual">Opel diesel straight-4 1.5 L 15 D (4EC1) 50 HP</a>, First stage

by Roman Paulov