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The ACL Race Series main bearing set for Ford 4.0L AU/BA six-cylinder engines is a 360-degree thrust version supplied in .001 oversize for high-performance rebuilds. This matched set supports crankshaft thrust and main journal fitment specific to AU/BA 4.0L applications, providing the correct geometry for engines requiring a full 360° thrust bearing configuration.
ACL Ford 4.0L AU/BA 6cyl 360 Deg Thrust Version .001 Oversized High Performance Main Bearing Set
