Main Bearing Set (0.25 mm / 0.10" Undersize) for Mazda 626 F6, F8, FE Engines // M811A

High-precision Main Bearing Set specifically designed for Mazda 626 and Kia Capital models equipped with the 1.6L (F6), 1.8L (F8), and 2.0L (FE) engine families. These are 0.25 mm Undersize (First Repair Size) bearings, cross-referenced as M811A, engineered for professional engine overhauls where the crankshaft main journals have been ground. Manufactured from premium, high-fatigue resistant materials to ensure smooth crankshaft rotation and maintain precise oil clearance under standard operating conditions. 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.