King Engine Bearings MB5375XP STDX Main Bearing Set Toyota - 2ZZ-GE

The King Engine Bearings MB5375XP STDX is a standard-size main bearing set engineered for the Toyota 2ZZ-GE engine. Manufactured by King Engine Bearings — a globally recognized OEM and performance bearing supplier — this set delivers the precise tolerances and advanced materials required for both street-driven and high-performance builds.

King's XP (Xtreme Performance) series bearings are constructed with a tri-metal design featuring a copper-lead alloy overlay, offering superior load capacity, embedability, and fatigue resistance compared to standard bimetal bearings. The STDX designation indicates standard journal sizing with XP-level performance materials, making this an ideal replacement or upgrade for stock 2ZZ-GE rebuilds.

Key Features:

• XP (Xtreme Performance) tri-metal bearing construction
• Standard (STD) sizing for stock crankshaft journal dimensions
• High fatigue resistance for demanding, high-revving 2ZZ-GE applications
• Superior embedability to handle contaminants during break-in
• Excellent conformability to minor journal surface irregularities
• Tight OEM-level dimensional tolerances for proper oil clearance
• Full main bearing set — includes all main journal bearings for the 2ZZ-GE engine
• Manufactured to OEM and motorsport-grade quality standards

The Toyota 2ZZ-GE is a high-revving, 1.8L inline-four engine known for use in the Toyota Corolla, Celica GTS, and Lotus Elise/Exige platforms. Its demanding VVTL-i variable valve timing system and high RPM capability make quality bearings especially critical. The King MB5375XP STDX provides the precision fit and durable materials needed for a reliable engine rebuild.