King Engine Bearings MB7779MCSTDX STDX Main Bearing Set B58 Engine

The King Engine Bearings MB7779MCSTDX is a precision-engineered STDX (extra clearance) main bearing set designed for B58 engines. This professional-grade bearing set features standard aluminum-based material equivalent to SAE-783 specification, making it ideal for low to medium load engine applications.

Key Features:

• STDX size provides extra clearance for modified or high-performance applications
• Aluminum-based bi-metal construction (SAE-783 equivalent) for optimal durability
• Bulls Eye Tolerance technology maintains bearing wall thickness within ±0.0001 inch
• Precision-manufactured using King's proprietary high-speed production processes
• Complete main bearing set for full engine rebuild

King Engine Bearings has specialized exclusively in engine bearing manufacturing since 1960, earning the trust of professional engine builders, racing teams, and aviation industries worldwide. Every King bearing is manufactured with stringent quality control and utilizes advanced materials to ensure superior performance and longevity. The STDX designation indicates this bearing set is designed for applications requiring additional clearance beyond standard specifications.