Main Bearing Set (STD) for Mazda 626 2.0L FS & Familia 1.8L FP Engines // M325A

High-precision Main Bearing Set specifically designed for Mazda 626 (FS Engine) and Mazda Familia / Protege (FP Engine) models. These are Standard (STD) size bearings, cross-referenced as M325A, engineered to maintain optimal oil clearance and exceptional durability in classic Mazda DOHC 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.