King Engine Bearings MB4554MC0.75 Main Bearing Set Undersize - 0.75mm

The King Engine Bearings MB4554MC0.75 is a precision-engineered main bearing set designed for high-performance and racing applications. This set features a 0.75mm undersize specification, making it ideal for engines that have been machined or require oversized crankshaft journals.

Key Features:

• 0.75mm undersize for machined engine blocks and crankshafts
• High-performance tri-metal construction with aluminum alloy base
• Advanced polymer coating for reduced friction and improved wear resistance
• Precision manufacturing to exact tolerances for optimal oil clearance
• Designed for demanding racing and performance applications
• Compatible with various import and domestic engine platforms

King Engine Bearings are manufactured using state-of-the-art processes and premium materials to deliver exceptional durability and performance under extreme operating conditions. The MC-series bearings feature King's proprietary pMax Black™ coating technology, which provides superior protection during critical startup periods and high-load situations.