King Engine Bearings MB5803CA Main Bearing Set For Bmw S65b40a

The King Engine Bearings MB5803CA is a precision-engineered main bearing set designed specifically for the BMW S65B40A high-performance V8 engine. This complete main bearing set provides the critical interface between the crankshaft and engine block, ensuring proper alignment, load distribution, and lubrication for optimal engine performance and longevity.

Key Features:

• Tri-metal construction for superior strength, wear resistance, and conformability
• Application-specific design for BMW S65B40A 4.0L V8 engine (2008-2013 M3)
• Complete main bearing set for full crankshaft support
• Precision manufacturing to OEM tolerances for proper clearances
• Advanced bearing materials engineered for high-performance and racing applications
• Compatible with both standard and performance engine builds

King Engine Bearings are manufactured using state-of-the-art processes and premium materials to meet the demanding requirements of high-performance engines. The tri-metal construction features a steel backing for structural strength, a copper-based intermediate layer for heat dissipation and load support, and a specially formulated overlay material for excellent wear characteristics and seizure resistance. This main bearing set is an ideal choice for engine rebuilds, performance upgrades, and racing applications where reliability under extreme conditions is essential.