Clevite MS-2258HX Engine Crankshaft Main Bearing Set

The Clevite MS-2258HX is a precision-engineered engine crankshaft main bearing set designed to deliver reliable performance and durability in demanding automotive applications. This complete bearing set provides the critical interface between the crankshaft and engine block, ensuring proper lubrication and optimal load distribution during engine operation.

Technical Specifications:

• Position 1-3: Standard shaft diameter range 2.3616" to 2.3622" (59.9846mm to 60.0080mm)
• Position 2-4: Standard shaft diameter range 2.3616" to 2.3622" (59.9846mm to 59.9999mm)
• Vertical Oil Clearance: 0.0012" to 0.0032" (0.0030mm to 0.0813mm) for optimal lubrication
• Wall Thickness: Maximum 0.0788" (2.0015mm)
• Bearing O.D./Housing Bore: 2.5197" to 2.5205" (64.0004mm to 64.0207mm)
• Length: 0.7480" (18.9992mm) for positions 1-3, 0.5905" (14.9987mm) for positions 2-4

Clevite bearings are manufactured to exacting tolerances using premium materials and advanced metallurgy to withstand high loads, extreme temperatures, and constant friction. The precise oil clearances ensure proper lubrication film thickness, reducing wear and extending engine life. This bearing set is engineered for engines requiring the MS-2258HX specification, providing OE-quality fit and performance for professional rebuilds and performance applications.