Main Bearing Set (0.25 mm / 0.10" Undersize) for Toyota Corolla & Corona 4A-FE / 4A-F 16V Engines

High-precision Main Bearing Set specifically designed for Toyota Corolla (AE92, AE101, AE111) and Corona models equipped with 16V A-series engines (4A-FE, 4A-F, 5A-FE). These are 0.25 mm Undersize (First Repair Size) bearings, 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. These bearings offer exceptional structural integrity, protecting the Toyota rotating assembly during consistent operation and high-RPM demands, meeting or exceeding all OEM performance standards.