King Bearings MB 557XPSTDX Main Bearing Set

The King Bearings MB 557XPSTDX Main Bearing Set is designed for small-block Chevy applications requiring an XP-series main bearing with standard sizing and extra oil clearance. This kit provides a purpose-specific bearing solution for engine assembly and service work where these stated bearing characteristics are required.

Built around the specifications identified by the manufacturer, this main bearing set combines standard sizing with extra oil clearance in a kit format. The product name and application details make it suitable for organizing replacement or rebuild components for compatible small-block Chevy engine projects.

Use the part number MB 557XPSTDX when confirming this bearing set against your engine requirements, service documentation, and application details. Verify suitability before installation, since engine configuration and clearance requirements can vary.

King Bearings provides this component as a focused engine-internal replacement part for professional and enthusiast maintenance, rebuilding, and assembly work. The set is listed as not air restricted and not truck freight only.

Features:

• Brand: King Bearings
• Part Number: MB 557XPSTDX
• Product Type: Main bearing set
• Series: XP
• Size: Standard
• Oil Clearance: Extra oil clearance
• Application: Small-block Chevy
• Packaging: Kit