Description
When you’re rebuilding a Small Block Chevy engine, bearing clearance and oil film thickness are non-negotiable—they directly impact reliability and longevity under sustained boost or high RPM. The Rod Bearing CB-663HN-30 delivers the precise undersizing and narrowed profile needed for exact fitment in H-Series applications, ensuring optimal performance in demanding conditions. This is the kind of precision component that separates a bulletproof bottom end from one that fails on the dyno.
- Connecting rod bearing
- H-Series design
- 0.030 inch undersize
- Narrowed profile
- Small Block Chevy compatible
- Sold individually
- OEM-quality construction
- Bolt-on installation
