





Radium Engineering DSV Valve Extension Adapter
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Description
Radium DSV Valve Extension Adapter
Application: Radium DSV valves (20-0535, 20-0935) on FCST / FCST-X or other 12AN ORB vent ports
Part Type: DSV valve extension adapter
Part Number: 20-1035
When installed with a Radium DSV, this extension adapter moves the air shut-off point higher in the system, allowing more fuel into the cell and fill neck before the valve shuts off. For higher remote fill locations that need to maximise the fuel that can be put into the cell, it speeds up refuelling by preventing dump can chugging before the cell is full.
Any current Radium DSV can be installed in the adapter to set the shut-off point. DSV valves are sold separately.
Key Features
- Threads: 12AN ORB male (1-1/16"-12) and 12AN ORB female (1-1/16"-12)
- Installed Height: 103mm (4-1/16in)
- Outer Diameter: 47.6mm (1-7/8in)
- Large Hex: 42.5mm (1-11/16in)
- Construction: Anodised 6061 aluminium with FKM O-ring
Optional Parts
- Radium DSV 12AN ORB To 12AN Male - Quick Fill (Internal) (20-0535) – Radium low fill DSV to install in the adapter
- Radium DSV, 12AN ORB to 12AN Male, High Fill (20-0935) – Radium high fill DSV to install in the adapter
Important Notes
- A Radium DSV must be installed in the adapter and is sold separately
- If fuel ejects from the dry break receiver vent during or after refuelling, the shut-off point is too high
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

