Main Bearing Set (STD) for Mazda 323 1.6L B6 Engines // AN5277SA

High-precision Main Bearing Set specifically designed for Mazda 323 (BG series) models equipped with the 1.6L B6 engine family. These are Standard (STD) size bearings, cross-referenced as AN5277SA, engineered to maintain optimal oil clearance and exceptional durability in Mazda's legendary SOHC/DOHC B-series systems. Manufactured from premium, high-fatigue resistant materials to ensure smooth crankshaft rotation and withstand the internal mechanical stresses of high-revving engines. Precision-made to meet or exceed OEM specifications, these bearings are essential for restoring the structural reliability of the rotating assembly during a professional rebuild.