Description
Proper rod bearing clearance is critical to engine longevity, and the CB-663HN-10 delivers the precision fit your small block Chevy demands. This undersized bearing ensures optimal oil film thickness and reduces clearance-related wear during sustained high-RPM operation. Whether you’re building a street performance engine or a race-ready platform, this bearing eliminates guesswork and provides the reliability you need to keep your build running strong.
- H-Series engine compatible
- 0.010″ undersize specification
- Narrowed design profile
- Small block Chevy fitment
- Individual bearing unit
- High-quality construction
- Precision performance-grade
- MPN: CB663HN10
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