Perfect Circle MS2324P20 Main Bearing Set .020" Undersize Chrysler Big Block

The Perfect Circle MS2324P20 is a high-quality main bearing set designed for Chrysler/Mopar big block engines, including 383, 413, 426, and 440 cubic inch applications. This bearing set features a .020 inch crankshaft undersize specification, making it ideal for engine rebuilds where the crankshaft has been machined to restore proper journal dimensions.

Key Features:

• P-Series tri-metal construction with cast copper lead material for superior durability
• Steel backing provides structural support under high loads
• Electroplated babbit overlay on running surface for excellent wear characteristics
• Higher eccentricity and crush factor designed for high-revving, high-load engine applications
• Full oil grooves on both halves for improved lubrication on most applications

Perfect Circle bearings, now part of the MAHLE/Clevite family, have been trusted by engine builders and professional mechanics for decades. The P-Series design delivers exceptional conformability, embedability, and fatigue resistance that surpasses many original equipment bearings. Cross-references to MS877P20 and MS-877P-20.