Perfect Circle MS876P10 P-Series Main Bearing Set .010 Undersize Chrysler Big Block B

The Perfect Circle MS876P10 is a high-performance main bearing set designed for Chrysler Big Block B engines (350/361/383/400ci). This set features P-Series bearings with .010 inch undersize specifications for rebuilding crankshafts that have been machined undersize.

Key Features:

• Tri-metal construction with steel backing, cast copper-lead lining, and electroplated babbitt overlay
• Full groove oil distribution system extending around both halves for superior oiling
• Higher eccentricity and crush factor designed for high-revving engines and heavy loads
• Fits main bearing flange outside diameter of 3.43 to 3.50 inches
• .010 inch (.25mm) undersize for reground crankshafts

Perfect Circle bearings are now manufactured by MAHLE/Clevite, continuing the legacy of the legendary bearing brand that has powered NASCAR champions since 1948. The P-Series design delivers exceptional conformability, embedability, and fatigue resistance superior to many original equipment bearings. These bearings provide the ideal combination of strength, durability, and critical surface characteristics needed for high-performance and racing applications.