Description
Maintaining proper oil pressure is critical to engine longevity, and a worn or incorrect relief spring can lead to inadequate lubrication or excessive pressure spikes that damage bearings and seals. The BYP-021 is a direct replacement low-pressure relief spring engineered for Barnes Oil Pumps, restoring your pump’s ability to regulate flow precisely under demanding conditions. Whether you’re rebuilding a high-mileage engine or fine-tuning a race setup, this spring ensures your lubrication system performs as intended.
- Oil pump relief spring
- Low pressure rating
- Steel construction
- White finish
- Barnes Oil Pumps compatible
- Sold individually
- Bolt-on replacement
- MPN: BYP-021






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