Description
A roller cam bearing is essential for reducing friction and wear on your camshaft—critical for maintaining valve timing precision and maximizing engine durability under sustained high-RPM operation. Dart’s 55mm roller bearing delivers the reliability big block Chevy builders demand, whether you’re running a street beast or a dedicated race engine. This is a direct replacement that restores proper bearing support and reduces parasitic losses.
- Dart part 32220042
- 55mm journal diameter
- Roller bearing design
- Big block Chevy compatible
- Single bearing unit
- Reduces camshaft friction
- OEM replacement quality
- Bolt-on installation






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