The ACL Race Series main bearing set for Ford 4.0L AU/BA six-cylinder engines is the standard-size 360-degree thrust version supplied with .001 oil clearance for high-performance rebuilds. This matched set restores crankshaft thrust control and main journal fitment for AU/BA 4.0L applications, providing the specified oil clearance for consistent lubrication and bearing operation.

ACL Ford 4.0L AU/BA 6cyl 360 Deg Thrust STD Size High Perf Main Bearing Set w/.001 Oil Clearance