Clevite MS-2015A Bi-Metal Aluminum Main Bearing Set

The Clevite MS-2015A is a high-performance engine crankshaft main bearing set designed for superior durability and dependability in demanding automotive applications. This Clevite 77 series bearing set utilizes advanced bi-metal construction with a steel backing and 100% lead-free aluminum silicon bearing surface.

Key Features:

• Bi-metal construction with aluminum silicon bearing material for optimal strength and conformability
• 100% lead-free formulation meets modern environmental standards
• Engineered with 60% more silicon content than comparable competitive bearings
• Enhanced silicon content provides superior journal surface conditioning
• Excellent seizure resistance protects against catastrophic engine failure
• Outstanding wear resistance extends bearing and crankshaft life
• Precision manufactured to OEM specifications for reliable fitment

The increased silicon content in these Clevite 77 bearings creates a harder, more wear-resistant surface that better conditions crankshaft journals over time, reducing friction and preventing premature wear. This makes the MS-2015A an excellent choice for both street and performance engine builds where reliability is critical.