An internal combustion engine, having a cylinder crankcase in which a crankshaft is mounted, having at least one cylinder bank comprising multiple cylinders, wherein each cylinder comprises a spark plug for igniting a fuel to be combusted in the respective cylinder, wherein each cylinder comprises a cylinder head with at least one gas exchange valve on the inlet side and with at least one gas exchange valve on the exhaust side, wherein each cylinder comprises a rocker arm box for receiving rocker arms of a valve drive for the gas exchange valves, wherein each cylinder comprises a rocker arm cover which is pivotable relative to the respective rocker arm box, wherein the rocker arm cover includes a first portion with a first introduction aid and a second portion with a second introduction aid, and wherein the respective rocker arm cover carries an ignition coil for the spark plug of the respective cylinder, which is contactable with the spark plug via a spark plug extension extending through a conduit between the cylinder head and the rocker arm box or the rocker arm cover of the respective cylinder, characterised in that the conduit threads into the first introduction aid during the pivoting closing of the rocker arm cover, in that an end of the spark plug extension protruding from the conduit threads into the second introduction aid during the pivoting closing of the rocker arm cover, in order to form in an automatic and self-centring manner an electrical contact between the spark plug extension und the ignition coil of the respective cylinder, and in that the second portion with the second introduction aid is arranged within a region delimited from the first portion with the first introduction aid. having a cylinder crankcase in which a crankshaft is mounted, having at least one cylinder bank comprising multiple cylinders, wherein each cylinder comprises a spark plug for igniting a fuel to be combusted in the respective cylinder, wherein each cylinder comprises a cylinder head with at least one gas exchange valve on the inlet side and with at least one gas exchange valve on the exhaust side, wherein each cylinder comprises a rocker arm box for receiving rocker arms of a valve drive for the gas exchange valves, wherein each cylinder comprises a rocker arm cover which is pivotable relative to the respective rocker arm box, wherein the rocker arm cover includes a first portion with a first introduction aid and a second portion with a second introduction aid, and wherein the respective rocker arm cover carries an ignition coil for the spark plug of the respective cylinder, which is contactable with the spark plug via a spark plug extension extending through a conduit between the cylinder head and the rocker arm box or the rocker arm cover of the respective cylinder, characterised in that the conduit threads into the first introduction aid during the pivoting closing of the rocker arm cover, in that an end of the spark plug extension protruding from the conduit threads into the second introduction aid during the pivoting closing of the rocker arm cover, in order to form in an automatic and self-centring manner an electrical contact between the spark plug extension und the ignition coil of the respective cylinder, and in that the second portion with the second introduction aid is arranged within a region delimited from the first portion with the first introduction aid.