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Description
Radium 12AN ORB 5-Bolt SAE Adapter (20-0439)
The Radium Engineering 12AN ORB 5-Bolt SAE Adapter allows a Radium Engineering DSV (Dump can Shutoff Valve) to be used on older generation FCST (Fuel Cell Surge Tank) units that feature 8AN ORB vent threads (20-014X-XX series). This adapter bridges the thread size difference, enabling DSV compatibility on legacy tanks without replacing the entire unit.
Important Note: A fuel level sender cannot be used in conjunction with this adapter when installed.
Compatible Applications
Radium FCST units with 8AN ORB vent threads — 20-014X-XX series
Any Radium Engineering DSV requiring a 12AN ORB port
Part Number:
20-0439 — Radium 12AN ORB 5-Bolt SAE Adapter
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, methanol, and all exotic fuel types
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