1990-1997 Spec Miata adjustable fuel pressure regulator.

Featuring an Aeromotive Adjustable Fuel Pressure Regulator, we feel this is the best design for any 1.6 or NA 1.8 Spec Miata. We cut no corners, starting at the fuel rail is an Advanced Autosports designed CNC machined fitting that mounts where the original regulator mounted. Using the factory bolts and an o-ring seal.

All of the "Gates" brand hose is rated for fuel injection and uses the proper fuel injection clamps. The fittings at the regulator are also CNC machined and o-rings sealed. Mounted on the regulator is the common Shraeder valve for attaching a fuel pressure gauge or fuel sample port hose.

The mounting bracket is CNC machined and powder coated for a proper fit and long lasting good looks. All hardware is included plus instructions for installing. Approximate 10 minute install using common hand tools