Clevite MS-2249A-20 Engine Crankshaft Main Bearing Set

The Clevite MS-2249A-20 engine crankshaft main bearing set delivers exceptional durability and dependability for demanding engine rebuilds and performance applications. This complete main bearing set features advanced bi-metal aluminum construction designed to provide superior protection for your engine's crankshaft.

Key Features:

• 100% lead-free aluminum silicon bi-metal construction for environmental compliance and performance
• Contains 60% more silicon than competitive replacement bearings for enhanced conditioning of crankshaft journal surfaces
• Superior seizure resistance protects against catastrophic engine failure under extreme operating conditions
• Exceptional wear resistance extends bearing life and maintains proper oil clearances
• Precision-engineered tolerances ensure proper fit and optimal performance
• Complete main bearing set for comprehensive crankshaft support

Clevite engine bearings are trusted by professional engine builders and mechanics worldwide. The advanced aluminum silicon alloy composition provides better surface conditioning properties, which helps break in new crankshafts and prolongs bearing life. The increased silicon content creates a more forgiving bearing surface that can better handle minor surface imperfections while maintaining the oil film necessary for proper lubrication.