Perfect Circle MS2199P Main Bearing Set for GM/Chevy LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L Standard Size

The Perfect Circle MS2199P is a precision-engineered crankshaft main bearing set designed for GM and Chevrolet LS-series engines including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications from 1997-2015. This standard size bearing set provides reliable performance for both stock and mild performance builds.

Key Features:

• P-Series tri-metal construction with steel backing for maximum strength and durability
• Cast copper-lead intermediate layer to withstand high engine loads
• Electroplated lead-tin-copper overlay on running surface for superior wear characteristics
• Half-groove design with oil grooves extending around both halves for enhanced lubrication
• Higher eccentricity and crush factor engineered for high-revving applications
• Includes flanged bearing with .010" oversize length for proper thrust control

Perfect Circle, now part of the Mahle/Clevite family, has manufactured quality engine bearings since 1895. This main bearing set delivers excellent conformability, embedability, and fatigue resistance for demanding LS engine applications. Compatible with LS1, LS2, LS3, LS6, and other Generation III and IV LS engines found in GM trucks, SUVs, performance cars, and aftermarket builds.