Federal Mogul 4294M20 Engine Crankshaft Main Bearing Set Undersize - 020

The Federal Mogul 4294M20 is a precision-engineered engine crankshaft main bearing set designed for Oldsmobile V8 applications. This set is manufactured to .020" undersize specifications, making it ideal for engines with reground crankshafts or those requiring oversized bearings during rebuilds.

Construction and Materials:

• Steel-backed bronze alloy lining with overplate for enhanced durability
• Tri-metal construction providing superior fatigue resistance and strength
• Full groove design for optimal oil distribution and lubrication
• State-of-the-art manufacturing with exacting tolerances
• Conformability optimized for vintage and classic engine applications

Key Features:

• Meets or exceeds OEM specifications for reliable performance
• Proven in demanding performance applications and racing conditions
• Designed for Oldsmobile 4.3L, 5.7L Diesel, 400, 425, and 455 gas engines
• Made in USA with Federal Mogul's industry-leading quality standards

Federal Mogul's Sealed Power brand has been a trusted supplier to both OEM and aftermarket sectors for decades. These main bearing sets are laboratory tested and track proven to withstand the demanding conditions of both street performance and racing applications. The bronze alloy material offers excellent conformability required for older engine blocks while maintaining the strength needed for modern performance builds.