Systems are provided for separating oil from blow-by gases in an internal combustion engine. In one example, a system comprises a camcover configured to be mounted on a cylinder head, and a baffle positioned between the camcover and the cylinder head. The baffle may include at least a first and a second baffle plate, the first baffle plate including a first through-hole on a first face of the first baffle plate, the second baffle plate including a second through-hole on a second face of the second baffle plate. Further, the first and second faces may be positioned opposite one another, and offset such that the first and second through-holes are not fully overlapping.