These are 40-75psi adjustable and vacuum or boost referenced fuel pressure regulators by Top Street Performance. The can be used with or with out the vacuum/boost reference and are great for EFI applications.
- Uses -6 O-ring fittings (-6 ORB)
- Includes a liquid filled 0-100 psi gauge
- Boost/vacuum reference works on a 1:1 ratio with psi, raises pressure with boost or reduces with vacuum
- Can be configured to work with return or returnless fuel rail setups
- Instructions included
- 1 year warranty by Top Street Performance