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Radium Engineering RA‑Series adjustable fuel pressure regulator kit for 1999–2005 Mazda MX‑5 Miata provides a means to set and fine‑tune fuel pressure and is fully reversible for stock restoration. The regulator works with either the OEM fuel pump hanger or a Radium replacement hanger, offering flexible integration for NB Miata fuel systems and aftermarket pump configurations.
Radium Engineering 99-05 Mazda MX-5 RA-Series Fuel Pressure Regulator Kit
