Clevite MS1566P20 P-Series Main Bearing Set Undersize - 020

The Clevite MS1566P20 is a P-Series main bearing set designed with .020" undersize dimensions for precision engine rebuilds. This set features Clevite's proven TriMetal construction that has been the industry standard since 1929, delivering exceptional durability for street performance, heavy-duty, and motorsport applications.

TriMetal Construction Benefits:

• Hardened steel backing layer for maximum strength and dimensional stability
• Cast copper-lead alloy intermediate layer for superior load capacity
• Electroplated white metal babbitt surface layer for optimal conformability and embedability
• High crush design ensures maximum bearing retention in the bore
• High eccentricity engineering accounts for bore distortion under load

Performance Features:

• Up to 40% better seizure resistance compared to competitive bearings
• 60% higher load capacity for extended periods versus standard bearings
• Superior fatigue resistance for demanding applications
• Reduced overlay thickness prevents overlay fatigue failure
• Color-coded for quick identification and error-free installation

Clevite P-Series bearings are the most versatile replacement option, suitable for most OE applications while providing an upgrade path from bi-metal designs. Ideal for rebuilding engines where more demanding use is anticipated, including daily drivers, street performance builds, and heavy-duty applications. The .020" undersize dimension allows for proper clearances when machining crankshaft journals during engine rebuilds.