Crankshaft Main Rod Bearing Shell Set STD for G550 C63 E63 2760331501 Direct Replacement This bearing shell set is designed as a direct replacement for the specified engine model.It fits crankshaft main and rod applications requiring standard size bearings.The set includes all necessary components to replace the shells, proper alignment and function within the engine block.engineered to meet OEM specifications, the bearings support smooth crankshaft rotation and help maintain oil clearance.Suitable for use during engine rebuilds or repairs where standard size shells are required.