Description
Connecting rod bearings are critical wear items that directly impact engine reliability and oil pressure stability—especially in high-RPM or boosted applications. The CB-663P-20 delivers precision fit and consistent clearance needed to maintain proper hydrodynamic film under load. This P-Series bearing is engineered for Small Block Chevy engines where tolerances matter, giving you the durability and performance baseline your build demands.
- Small Block Chevy compatible
- P-Series design specification
- 0.020″ undersize
- Sold individually
- Precision-engineered construction
- High-quality bearing material






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