King Engine Bearings MB5013XPC Main Bearing Set for GM Vortec LS-Series Gen III/IV

The King Engine Bearings MB5013XPC is a precision-engineered main bearing set designed specifically for GM Vortec LS-series engines, covering both Generation III and Generation IV applications. These high-performance main bearings provide the critical interface between the crankshaft and engine block, ensuring proper oil clearance and reliable engine operation.

Key Features:

• XPC (Xtreme Performance Coated) tri-metal construction with advanced polymer coating for enhanced wear resistance
• Engineered specifically for GM LS1, LS2, LS3, LS6, LS7, LQ4, LQ9, and other Gen III/IV LS-series engines
• Proprietary pMax Black™ coating reduces friction and improves break-in characteristics
• Precision manufacturing ensures consistent oil clearances and optimal crankshaft support
• Suitable for high-performance street, racing, and forced induction applications
• Complete main bearing set includes all necessary bearings for a full engine build

King Engine Bearings are manufactured to OE specifications and beyond, making them an excellent choice for engine rebuilds, performance upgrades, and racing applications. The XPC coating technology provides superior protection during critical startup conditions and extends bearing life under demanding operating conditions.