ACL oversized main bearing set for 1982–1990 Nissan four-cylinder CA16/18/20 engines covering 1597–1974cc displacements. This 0.50 oversize main bearing kit supplies increased journal clearance for engines that have been machined or require larger bearing dimensions. It’s intended for engine rebuilds where correct main journal fitment and crank support must be restored.

ACL 82-90 Nissan 4 1597-1809-1974cc CA16/18/20 0.50 Oversized Main Bearing Set