Description
Connecting rod bearings are critical wear items in any high-performance engine—undersized, coated, and precision-engineered bearings like the Calico CB663HN001 directly impact load capacity, oil film strength, and bearing life under sustained boost or high RPM. If you’re building or rebuilding a Small Block Chevy with serious intent, running OEM or substandard bearings will limit your engine’s potential and create unnecessary risk. The CB663HN001 delivers the clearance precision and friction reduction you need to keep your engine reliable when it matters most.
- Calico coating technology
- H-Series design
- 0.001″ undersize
- Narrowed profile
- Reduced weight
- Optimized clearance
- Small Block Chevy fitment
- Enhanced wear resistance
- Improved friction properties
- MPN: CB663HN001
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