Cylinder head, Valve cover, <a href="https://garage.wiki/opel/engines/gasoline/straight-3/10-l/k10b/67-hp.html" title="Opel gasoline straight-3 1.0 L K10B 67 HP engine DIY maintenance and service manual">Opel gasoline straight-3 1.0 L K10B 67 HP</a>, With aluminium housing

by Roman Paulov