Crankshaft Main Bearing Set (STD) M340A for Mazda 3 / Mazda 2 1.6 (Z6)

High-performance Crankshaft Main Bearing Set specifically engineered for Mazda 3 (BK/BL) and Mazda 2 models equipped with the 1.6L (Z6) engine. These are Standard (STD) size bearings, reference M340A, designed to provide superior load-carrying capacity and exceptional friction reduction for high-revving Mazda Z-series engines. Manufactured from premium multi-layer alloy to ensure optimal oil film thickness and minimal wear under high thermal stress. Precision-made to meet or exceed OEM specifications, these bearings are essential for maintaining stable oil pressure and ensuring the long-term structural integrity of the rotating assembly.