Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
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Description
Radium FPR / FPD Adapter - 8AN ORB, 11mm Bore, 32mm Spacing, M5
Suits:
- Subaru applications with OEM FPR/FPD using 11mm bore, 32mm spacing, M5 mounting
- Nissan applications with OEM FPR/FPD using 11mm bore, 32mm spacing, M5 mounting
- Mazda RX-7 applications with OEM FPR/FPD using 11mm bore, 32mm spacing, M5 mounting
The Radium Engineering FPR/FPD Adapter allows an OEM fuel pressure regulator (FPR) or fuel pulse damper (FPD) to be reused in an aftermarket fuel rail application. Machined from anodised billet 6061 aluminium with an 8AN ORB port. All fittings permit the unit to be clocked into the correct position for clean installation.
- Port: 8AN ORB
- Bore: 11mm
- Mounting Spacing: 32mm
- Mounting Hardware: M5
- Material: Billet 6061 aluminium
- Finish: Anodised
- Clocking: Adjustable — unit can be clocked into the correct position
Part Number:
- 20-0303 — Radium FPR/FPD Adapter, 8AN ORB, 11mm Bore, 32mm Spacing, M5 (Subaru / Nissan / Mazda RX-7)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ CNC-machined billet aluminium components built for performance and longevity
- ✅ Trusted by high-power build tuners and race teams worldwide
- ✅ Bolt-on fitment — no cutting, drilling, or fabrication required
- ✅ Compatible with E85, pump petrol, and flex fuel sensor integration
Specifications
- Part Number
- 20-0303
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.