King Engine Bearings MB5286SI0.25 Oversize Crankshaft Main Bearing Set

The King Engine Bearings MB5286SI0.25 is a precision-engineered oversize main bearing set designed specifically for Toyota UZ-series V8 engines, including the 1UZ-FE, 2UZ-FE, and 3UZ-FE applications. This complete main bearing set provides a 0.25mm (0.010") oversize dimension for crankshafts that have been machined during rebuilds.

Key Features:

• Bimetal construction with aluminum-silicon alloy base for superior strength and durability
• 0.25mm (0.010") oversize for use with resurfaced crankshafts
• Precision-manufactured to OE specifications for proper fit and clearances
• High-load capacity design suitable for stock and performance applications
• Advanced bearing material provides excellent wear resistance and heat dissipation
• Complete set includes all main bearings needed for engine rebuild

King Engine Bearings is a trusted name in engine components, known for manufacturing high-quality bearings that meet or exceed OEM standards. The aluminum-silicon bimetal construction offers an excellent balance of strength, conformability, and thermal management, making these bearings ideal for both daily drivers and performance builds. This oversize set is essential when rebuilding engines with crankshafts that have been ground to remove wear or damage.