Description
Carburetor tuning hinges on precise vacuum signal management, and the Holley Power Valve 125-105 delivers exactly that. This single-stage valve meters fuel enrichment at the right threshold, preventing lean stumbles during cruise and ensuring clean part-throttle response. Whether you’re dialing in a street engine or fine-tuning a bracket racer, getting the power valve spec correct is non-negotiable for drivability and consistency.
- Single-stage design
- 10.5″ vacuum rating
- Standard flow capacity
- Gasket included
- Bolt-in installation
- OEM Holley specification
