Race Series Conrod Bearings to suit Nissan RB25 / RB26ACL Conrod Bearing Set Nissan RB25DET, RB25DET NEO, RB26DETT Our coated bearings combine ACLs tough RACE Series lining and overlay metallurgy with Calicos well renowned CT 1 coating. CT 1 is a Dry Film Lubricant coating that helps reduce friction and abrasive wear. It provides intermittent dry lubrication and is not affected by dust or dirt. CT 1 is specifically engineered to withstand the extreme conditions of todays high performance engines.