Clevite MS-2315A-.25MM Engine Crankshaft Main Bearing Set

The Clevite MS-2315A-.25MM is an undersized (.25mm) engine crankshaft main bearing set designed to restore proper clearances during engine rebuilds. This precision-engineered bearing set features Clevite's proven bi-metal construction with a steel backing and aluminum-silicon bearing surface.

Key Features:

• 100% lead-free aluminum-silicon alloy construction for environmental compliance
• Enhanced silicon content (60% more than competitive bearings) for superior journal conditioning
• Bi-metal design combines steel strength with aluminum bearing properties
• .25mm undersize for machined crankshafts requiring oversized bearings
• Excellent seizure resistance even under demanding operating conditions
• Superior wear resistance extends engine service life
• Manufactured to OE specifications for precise fitment

Clevite bearings are engineered to deliver the durability and dependability engine builders trust. The increased silicon content helps condition journal surfaces during break-in and operation, reducing wear and protecting against seizure. Ideal for professional rebuilds and performance applications where reliability is critical.