Rod Bearing CB-663HN-21

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Rod Bearing CB-663HN-21

Rod Bearing CB-663HN-21

Original price was: $13.59.Current price is: $9.93.

20 in stock

SKU: M77CB663HN21 Category:

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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