ACL Race Series rod bearing set for VW/Audi 1781cc/1984cc engines is specified as 0.25 oversized with CT-1 coating, intended for rebuilds or high-performance builds requiring that oversize dimension. The CT-1 surface treatment is included to support demanding operating conditions while matching the bearing sizing needed for the listed VW/Audi displacements.
ACL VW/Audi 1781cc/1984cc 0.25 Oversized High Performance Rod Bearing Set - CT-1 Coated