Abstract: A connecting rod is designed to be divided at the large connecting rod eye and the connecting rod cover is connected by screw means to a connecting rod. In a threadless area of the screw means, securing means are provided between the screw means and a part of the connecting rod. The installed screw means may be braced by the securing means with respect to a part of the connecting rod.

Abstract: In a cylinder head for a multi-cylinder internal combustion engine including a cylinder head roof with a coolant space disposed below and an oil space disposed above the cylinder head roof, a number of cylinder head bolt support columns arranged along the side walls of the cylinder head, and a recess formed in each cylinder head section for receiving a spark plug or a fuel injection nozzle, laterally extending reinforcement ribs are provided in the oil space which extend in each cylinder head section between the cylinder head structure surrounding the recess and the cylinder head bolt support columns so as to provide a reinforcement grid for the cylinder head.