Abstract: A cylinder head for an internal combustion engine, wherein the cylinder head (1) comprises at least one first component part (12) and at least one second component part (13) joined to the at least one first component part (12), wherein the at least one first component part (12) is manufactured with the use of at least one of the group consisting of primary shaping, forming and cutting, wherein the at least one second component part (13) is manufactured with the use of an additive manufacturing method.

Abstract: Disclosed is a prechamber device for a combustion engine. The prechamber device comprises a prechamber body circumferentially enclosing a prechamber cavity, a nozzle body extending from the prechamber body and disposed at a first axial end of the prechamber device, wherein an interior of the nozzle body is in fluid communication with and provides an appendix of the prechamber cavity. The prechamber body and the nozzle body are provided as a wall comprising an inner surface and an outer surface and comprise a first material. A core member of a second material is enclosed inside the wall between the inner surface and the outer surface and axially extending inside the nozzle body, enclosed by the first material.