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ACL race-series main bearings are a standard-size bearing set for Mazda B6/BP/BP-T 1.6 and 1.8L engines, built for high-performance use. The set supplies OEM-dimension mains intended to support rebuilt or refreshed engines where durable, precise bearing surfaces are required. Ideal for race or high-stress street builds that retain standard crank journal sizes.
ACL Mazda B6/BP/BP-T 1.6/1.8L Standard Size High Performance Main Bearing Set
