Perfect Circle MS960P10 Main Bearing Set .010" Undersize Chevy/Buick V6

The Perfect Circle MS960P10 is a high-quality crankshaft main bearing set designed for Chevy and Buick V6 engines from 1964-1990, including 3.0L, 3.2L, 3.3L, 3.7L, 3.8L, and 4.1L displacements. This set features .010" undersize bearings, making it ideal for engines that have been machined or have experienced crankshaft wear.

Key Features:

• Tri-metal construction with steel backing, copper-lead intermediate layer, and lead-tin-copper electroplated overlay
• .010" undersize for machined crankshafts
• P-Series design suitable for heavy-duty, motorsports, and street performance applications
• Higher load capacity compared to bi-metal bearings
• Increased eccentricity and crush factor to compensate for high-load conditions
• Contains 1/2 grooved bearings for optimal oil distribution

This bearing set is engineered for demanding applications where reliability and durability are critical. The tri-metal design provides superior load-bearing capacity and wear resistance, making it an excellent upgrade for engine rebuilds. Perfect Circle bearings are now manufactured by Clevite/MAHLE, ensuring consistent quality and precision manufacturing.