This ACL 0.25mm oversized main bearing set is specified for 1983–1992 Mitsubishi 1997cc G63B/4G63 engines. Supplied as an oversized main bearing kit, it provides the correct oversize fit for reboring or corrective engine work on compatible Mitsubishi applications, supporting rebuilds where the standard bore requires a 0.25mm increase in bearing sizing to restore correct clearances.

ACL 83-92 Mitsubishi 1997CC G63B/4G63 0.25mm Oversized Main Bearing Set