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Description
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
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