Connecting Rod Bearing Set +0.50mm Infiniti QX30 Q50 Q60 2.0L Turbo M274 12117HG00G

Severe connecting rod bearing wear in the Mercedes-sourced M274 engine is often the result of oil starvation, extreme thermal stress, or high-boost applications, leading to deep scoring on the crankshaft rod journals. When a crankshaft requires significant machining to restore its surface, standard or minor oversized bearings are insufficient. This +0.50mm (+0.020in) oversized rod bearing set is engineered to provide the exact oil film clearance required for a heavily ground crankshaft, restoring factory-level oil pressure and rotational balance. Built with high-strength multi-layer materials, these bearings ensure the engine's bottom end can handle the torque demands of the Q50 and QX30 while preventing future metal-to-metal contact and catastrophic failure.