Rod Bearing CB-663HN-21
Part Number: M77CB663HN21MICHIGAN 77
- SKU:
- M77CB663HN21
- UPC:
- 027067537379
- MPN:
- CB663HN21
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
Description
If you're rebuilding a Small Block Chevy engine or replacing worn connecting rod bearings, the CB-663HN-21 delivers the precision fit and durability your build demands. This 0.021" undersize bearing accounts for worn journals, allowing you to machine-match your crankshaft without full replacement—a smart move for cost-effective engine restoration. Narrowed geometry optimizes oil film thickness and bearing life, keeping your engine reliable under sustained load.
- Connecting rod bearing
- H-Series construction
- 0.021" undersize
- Narrowed design
- Small Block Chevy fitment
- Single bearing
- OEM-equivalent quality
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