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Radium FPR Diaphragm Service Replacement
This is a genuine Radium Engineering replacement diaphragm for use in Radium fuel pressure regulators. The diaphragm is a critical internal component that controls fuel pressure response — over time or with aggressive fuel use, it may require replacement to maintain accurate and consistent fuel pressure regulation. An essential service part for any build running a Radium MPR, FST-R, or DMR.
Compatible With:
- Radium MPR (Multi-Pump Regulator)
- Radium FST-R (Fuel Surge Tank with Regulator)
- Radium DMR (Direct Mount Regulator)
Available Part Numbers:
- 18-0017 — FPR Diaphragm Service Replacement (suits MPR, FST-R, DMR)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ Genuine Radium replacement diaphragm for accurate fuel pressure regulation
- ✅ Trusted by tuners and race teams running high-power builds worldwide
- ✅ Direct service replacement for Radium MPR, FST-R, and DMR regulators
- ✅ Compatible with E85, ethanol, methanol, pump petrol, and flex fuel applications
