Cylinder head, Cylinder head screws, All <a href="https://garage.wiki/vauxhall/engines/gasoline/straight-4/20-l/z-20-leh/" title="Vauxhall gasoline straight-4 2.0 L Z 20 LEH engine DIY maintenance and service manual">Vauxhall gasoline straight-4 2.0 L Z 20 LEH</a> engines, First stage

by Roman Paulov