RADIUM Engineering 20-1990-00 FCST-X Fuel Cell Surge Tank Pumps Not Included

The RADIUM Engineering FCST-X (Fuel Cell Surge Tank-10 Years) is an advanced drop-in fuel system solution designed to eliminate fuel starvation in competition vehicles equipped with racing fuel cells. After 10 years of continuous improvement, the FCST-X represents the evolution of RADIUM's industry-leading fuel cell surge tank technology that has been trusted by professional motorsports teams worldwide since 2013.

Key Features:

• 2.6L lightweight surge tank with true dual-chamber design for superior fuel management
• Holds up to 3 surge tank pumps and 1 lift pump (pumps not included with this model)
• Fast lift and surge pump access with only 9 bolts total for simplified servicing
• Integrated lift handle for easy fuel pump servicing
• All pumps use check valves that prevent back-flow
• One-way fill valves (355LPH each) allow fuel in but not out, keeping the surge tank full
• Merged single 10AN ORB female threaded outlet
• Anti-rotation electrical terminals and enhanced rollover protection
• Full CNC aluminum construction with anodized surfacing for superior corrosion resistance
• Compatible with alcohol fuels including E85 and methanol

Pump Compatibility (20-1990-00):

• Walbro GSS342
• AEM 50-1200
• Deatschwerks DW440

Fuel Cell Requirements:

• Industry standard 6"x10", 24-bolt flange opening on the top face
• Minimum cell depth of 7.7" (196mm) measured from outer top face to internal bottom face
• Compatible with Radium RA-series fuel cells, Fuel Safe Pro Cell, Enduro, Race Safe, and other FIA-FT3 certified fuel cells

What's Included: This pumps-not-included version comes with all necessary components to install up to 3 surge tank pumps, with inlet filters already supplied for surge tank pumps. Includes anodized aluminum mounting plates, pump hats, service handle, fuel filters, rollover vent valve, FKM sealing gaskets, fittings, and electrical terminals. Note: Fuel pumps and filter sock for lift pump must be sourced separately.

Ideal for professional racing applications including drift, rally, circuit racing, and high-performance street builds requiring consistent fuel delivery under extreme conditions. Easily swappable pump modules are available separately for rapid pit stop pump replacements.