Description
Rod bearings are critical wear items that directly impact engine longevity and reliability—especially under high-load conditions. The CB-663P-30 delivers precision fitment and reduced friction for small block Chevy engines, whether you’re rebuilding after performance modifications or maintaining stock durability. Choosing the right bearing spec ensures proper oil clearance and prevents catastrophic engine failure.
The P-Series designation signals JJ-Motorsports’ commitment to consistent quality under sustained stress. This bearing is engineered for engines pushed to their limits, making it equally valuable for street performance builds and racing applications.
- 0.030″ undersize
- Small block Chevy fitment
- Friction-reducing design
- P-Series quality standard
- High-stress durability rated
- Precision CNC manufacture
- Bolt-on replacement
- Premium material composition






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