Federal Mogul 6678MA10 Engine Main Bearing Set Oversize - 010

The Federal Mogul 6678MA10 is a premium MA Series engine crankshaft main bearing set designed for .010 inch oversize crankshaft journals. This bearing set features Sealed Power's advanced bi-metal construction with an aluminum-tin alloy bearing surface that includes silicon particles for exceptional wear resistance and journal polishing capabilities.

Key Features:

• A-Series bi-metal aluminum alloy construction with silicon for enhanced surface hardness
• .010 inch oversize for use with reground crankshaft journals
• High-strength 1010 steel backing for superior load capacity
• Greater seizure and corrosion resistance compared to tri-metal materials
• Improved control of wall variance and debris embedding resistance
• Exacting tolerances that meet or exceed OEM specifications
• Silicon content actually smooths and polishes crankshaft journals during operation

Sealed Power bearings by Federal Mogul utilize ISO and QS certified manufacturing processes with proprietary bearing materials engineered to deliver optimal performance, conformability, and anti-seizure characteristics for the rigorous demands of modern engines.