ACL standard-size high-performance main bearing set for Nissan CA18 and C20 engines supplies a complete main bearing kit for engine rebuilds on those engine families. Packaged as a set of main bearings, it provides the standard sizing required to restore proper crankshaft support and journal clearances during reconditioning or maintenance that specifies CA18/C20 main bearings.
ACL Nissan 4 CA18/C20 Standard Size High Performance Main Bearing Set