MAHLE MS-429P Engine Crankshaft Main Bearing Set P-Series Standard Size

The MAHLE MS-429P engine crankshaft main bearing set (also sold as a Clevite 77 P-Series main bearing) supports the crankshaft in the block of a Small Block Chevy V8. It is a standard-size set, intended for rebuilds where the crankshaft journals are still within original specification.

Key Features:

• P-Series design, a tri-metal construction with more load capacity than bi-metal bearings
• Suited to heavy-duty, street performance and motorsports rebuilds as well as most OE-type applications
• Standard size, part number MS-429P
• Part of the Clevite 77 Chevrolet high-performance main bearing line
• Correct installation and orientation matter. Use Plastigauge to check clearances during assembly.

Bearing sets from MAHLE and Clevite are made to hold oil film strength and spread load evenly, which supports engine reliability and life after a rebuild.