Description
Precision bearing clearance is critical for small block Chevy longevity and reliability under sustained load. The Rod Bearing CB-663HN-19 delivers exact OEM fitment with 0.019″ undersize geometry, ensuring proper oil film thickness and reducing catastrophic engine failure risk. Whether you’re rebuilding a stock engine or refreshing a high-mileage platform, this narrowed H-Series bearing maintains the tolerances your engine demands.
- Connecting rod bearing
- H-Series design
- 0.019″ undersize
- Narrowed profile
- Small block Chevy
- Sold individually
- OEM-quality construction
- Precise bearing clearance
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