Crankshaft Main Bearing Set (0.25 mm / 0.10") M734A for Toyota 1ZR-FE / 2ZR-FE Engine

High-precision Crankshaft Main Bearing Set specifically engineered for Toyota Corolla and Auris models equipped with 1.6L (1ZR-FE) and 1.8L (2ZR-FE) Dual VVT-i engines. These are 0.25 mm Oversize (First Undersize) bearings, reference M734A, designed for engines where the crankshaft journals have been ground during an overhaul. Manufactured from premium multi-layer alloy to ensure optimal oil film thickness and exceptional friction reduction for modern high-revving Toyota engines. Precision-made to meet or exceed OEM specifications, these bearings are essential for restoring oil pressure and ensuring the long-term structural integrity of the rotating assembly.