ACL oversized main bearing set (0.25mm) is specified for 1990–2005 Honda B16, B17, B18 and K20, K24 engine families. These main bearings are intended for engine rebuilds or bore-up applications where the crank journals have been machined oversize. Supplied as a matched set, they provide a direct replacement option to restore proper bearing clearance during reassembly of the short block.
ACL 90-05 Honda B16/17/18 K20/24 0.25mm Oversized Main Bearing Set