Radium Engineering FCST Fill Neck Block Off Kit Universal

Radium Engineering FCST Fill Neck Block Off Kit (20-0360)

When your fuel cell build doesn't require a fill neck or dry break filler at the tank port, leaving that opening unsealed isn't an option. The Radium Engineering FCST Fill Neck Block Off Kit gives you a clean, purpose-built solution machined to the same motorsport-grade tolerances that race teams rely on. Radium Engineering is known for precision CNC-machined billet aluminium fuel system hardware trusted by high-power build tuners and race teams worldwide.

This listing covers the Radium FCST (Fuel Cell Surge Tank) fill neck block off kit, SKU 20-0360. It is a universal fitment solution designed specifically to seal the filler port on Radium FCST units where the fill port is unused or has been relocated as part of a custom fuel system installation.

Key Features

• CNC-machined billet aluminium construction for durability and precision fitment
• Seals the FCST filler port cleanly when a fill neck or dry break is not required
• Bolt-on fitment — no cutting, drilling, or fabrication needed
• Compatible with E85, pump petrol, methanol, and other exotic fuel types
• Manufactured in the USA to motorsport-grade tolerances

Compatibility, fitment notes, and installation details are provided in the tabs above. Please confirm your FCST unit configuration before ordering.

Not sure if this kit suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.