Description
Fuel pressure regulators are critical to maintaining consistent fuel delivery and engine performance, and worn internal components can lead to pressure fluctuations that compromise tuning and reliability. This Holley rebuild kit restores your bypass regulator to factory specifications without the cost of replacement, keeping your fuel system responsive and stable. Whether you’re running a carbureted or EFI setup, having a rebuild option extends the life of quality components like the Holley 12-841 and 12-842.
- Fits Holley 12-841/12-842
- Complete internal components
- Factory specification rebuild
- Bypass regulator compatible
- Bolt-on installation
- MPN: 12-823
