Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/diesel/straight-4/25-l/s8u-770/" title="Opel diesel straight-4 2.5 L S8U 770 engine DIY maintenance and service manual">Opel diesel straight-4 2.5 L S8U 770</a> engines, First stage

by Roman Paulov