Description
A worn or damaged main bearing set will compromise your entire engine’s structural integrity, leading to catastrophic failure under load. The MS-909P-20 delivers precision-engineered bearings that maintain proper crankshaft clearances and support consistent performance, whether you’re building a street engine or preparing for track duty. This complete kit streamlines your rebuild process with matched components engineered specifically for Small Block Chevy platforms.
- Fitment: Small Block Chevy
- Material: P-Series construction
- Undersize: 0.020 inch
- Complete set included
- Bolt-on installation
- Street and racing applications
- MPN: MS-909P-20






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