In one embodiment, a housing is disclosed. The housing includes an asymmetric surface portion having a periphery, the asymmetric surface portion comprising a plurality of asymmetric surface sections disposed about the periphery, each asymmetric surface section having a surface contour differing from the surface contours of the other surface sections. In another embodiment, an engine front cover is disclosed. The engine front cover includes a substantially circular asymmetric surface portion disposed concentrically about a crankshaft bore, the asymmetric surface portion comprising a plurality of asymmetric surface sections disposed substantially concentrically about the crankshaft bore, each asymmetric surface section having a surface contour differing from the surface contours of the other surface sections.