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