ACL Race Series Subaru FA20 0.25mm oversized main bearings supply an increased journal diameter option for engine rebuilds that require 0.25mm oversize shells. Sold as a full main bearing set, they provide the dimensional choice needed when machining crank journals and reconditioning FA20 engines, offering race-oriented tolerance options without implying performance gains beyond correct fitment and fitment support.
ACL Subaru FA20 0.25mm Oversized High Performance Main Bearing Set