King Engine Bearings MB5263XPC020 Performance Main Bearing Set

The King Engine Bearings MB5263XPC020 is a high-performance main bearing set engineered for demanding automotive applications. Part of King's Performance Series (XP), these bearings feature advanced pMax Black™ tri-metal construction with a steel backing, high-strength copper-tin-based intermediate layer, and proprietary polymer overlay for superior wear resistance and load capacity.

Key Features:

• pMax Black™ tri-metal construction for exceptional durability under high loads
• 0.020" (0.50mm) undersize for crankshaft regrinding applications
• Proprietary polymer coating reduces friction and improves oil retention
• Precision tolerances ensure proper oil clearance and engine longevity
• Designed for high-performance and racing applications
• Steel-backed construction provides superior strength and heat dissipation

King Engine Bearings are manufactured to OEM specifications and beyond, making them ideal for engine rebuilds, performance upgrades, and race applications where reliability is critical. The XPC designation indicates this is an undersized performance bearing with enhanced coating technology.