Cylinder head, Cylinder head screws, <a href="https://garage.wiki/saab/engines/gasoline/straight-4/18-l/z-18-xe/121-hp.html" title="Saab gasoline straight-4 1.8 L Z 18 XE 121 HP engine DIY maintenance and service manual">Saab gasoline straight-4 1.8 L Z 18 XE 121 HP</a>, First stage

by Roman Paulov