rigid design owing to a special profiling thereby resulting in the advantage that the individual crossbar 8 1 is respectively secured on the cylinder head 1 with the already existing fastening means for bearing cover elements 5 this embodiment can also be designed such that the crossbars 8 1 are connected material on material with the bearing cover elements 5 thus making available a structural component according to fig1 or 2 the arrangement of such a structural component is shown as enlarged partial view from the side in fig4 as seen in the direction of arrow a in fig1 bearing brackets 10 are arranged on the cylinder head 1 for example in the region of cylinder i in order to accommodate the crankshaft bearings which are respectively closed off at the top with bearing cover elements 5 as shown in fig1 the bearing cover elements 5 are connected by means of a continuous longitudinal support forming a crossbar 8 between respectively two bearing cover elements 5 1 and 5 2 which crossbar spans the associated injection device 7 tightening means 11 are provided between the crossbar 8 and the injection device which after being secured permit a purposeful tightening of the injection device 7 respectively.