Description
A proper main bearing set is critical to engine longevity and reliable power delivery—worn or incorrectly sized bearings lead to catastrophic failure. The MS-429P-30 delivers precise fitment for P-Series Small Block Chevy applications with its 0.030″ undersize specification, ensuring proper clearance and oil film protection during high-load conditions. This complete kit includes everything needed for a full bearing installation, saving you sourcing time and reducing the risk of incomplete rebuilds.
- P-Series Small Block Chevy
- 0.030″ undersize specification
- Complete installation kit
- High-quality bearing material
- Bolt-on installation
- Enhanced engine reliability
- Precision-engineered fitment
- All components included






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