King Engine Bearings MB4554MC0.25 Main Bearing Set Undersize - 0.25mm

The King Engine Bearings MB4554MC0.25 is a precision-engineered main bearing set designed for high-performance and demanding engine applications. This set features a 0.25mm (0.010") undersize specification, making it ideal for engines that have been machined or require slightly undersized bearings for proper clearance.

Key Features:

• 0.25mm undersize for machined crankshafts
• High-strength tri-metal construction for superior durability
• Precision-engineered tolerances for optimal oil clearance
• Advanced polymer coating reduces friction and wear
• Manufactured to OE specifications or better
• Suitable for performance and racing applications

King Engine Bearings are known for their exceptional quality and reliability in both street and competition engines. The MB4554MC series utilizes advanced materials and manufacturing processes to deliver consistent performance under extreme loads and temperatures. Each bearing is manufactured with strict quality control to ensure proper fit and long service life.