ACL Race Series main bearings for Nissan CA18/C20 engines are supplied in a 0.25" oversize specification for high-performance rebuilds. These main bearings are designed to meet the dimensional needs of engines with increased journal sizes and are intended for applications where a precise oversize main bearing is required during assembly or machining.
ACL Nissan CA18/C20 0.25 Oversized High Performance Main Bearing Set