Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/opel/engines/gasoline/straight-4/16-l/c-16-nz/" title="Opel gasoline straight-4 1.6 L C 16 NZ engine DIY maintenance and service manual">Opel gasoline straight-4 1.6 L C 16 NZ</a> engines, C16NZ engine, First stage
by Roman Paulov