This block-off plate kit is used when the 5-bolt SAE flanged fuel level sensor is not required. Designed for use with the Radium Fuel Cell Surge Tank, this kit is also compatible with a wide range of aftermarket fuel cells including ATL, Fuel Safe, Pyrotect, Harmon, Jaz, and Radium Engineering units.

NOTE: Radium 20-049X-XX FCST does not require the sealing washers included in this kit.

Kit Includes:

• Anodized 1/8" Aluminium Blank Plate
• 5-Bolt Sending Unit Viton Gasket
• Stainless Steel 10-32 Threaded Bolts
• Nylon Sealing Washers

Compatible Fuel Cells: ATL, Fuel Safe, Pyrotect, Harmon, Jaz, Radium Engineering, and more.

Why Radium Engineering?

• ✅ Manufactured in the USA to motorsport-grade tolerances
• ✅ CNC-machined billet aluminium components for precision fit and long-term durability
• ✅ Trusted by tuners and race teams running high-power builds worldwide
• ✅ Bolt-on fitment — no cutting, drilling, or fabrication required
• ✅ Viton gasket sealing ensures compatibility with E85, pump petrol, and flex fuel applications