Radium Engineering FCST-X with Walbro GSS342 Pumps (Part Number: 20-1990-01)

The Radium Engineering FCST-X is an advanced fuel cell surge tank solution designed for motorsport and high-performance applications. This preassembled unit includes one Walbro GSS342 lift pump and one Walbro GSS342 surge tank pump, ensuring reliable fuel delivery even under extreme driving conditions.

Key Features:

• Fast lift and surge pump access with only 9 bolts for quick servicing
• Integrated lift handle simplifies fuel pump maintenance
• Lightweight surge tank increased to 2.6L capacity
• Compatible with up to 4 brushless fuel pumps (not included in this kit)
• Supports up to 4 Bosch BR540 (DW400) or 4 Bosch DW440 brushless pumps, and up to 3 Ti Automotive E5LM brushless pumps
• Compatible with 16AN inlet mechanical pumps
• Easily swappable pump modules (sold separately)
• Compatible with shrouded level sensors
• Optimized internal fluid management and improved fluid control for rapid filling
• Designed with fewer potential leak points and enhanced rollover protection
• Anti-rotation electrical terminals for secure connections

Legacy FCST Features Included:

• Merged single 10AN ORB female threaded outlet with pump check valves to prevent back-flow
• One-way fill valves (355LPH each) maintain surge tank fill level
• Multiple fuel pump compatibility including gerotor, reaction turbine, and brushless DC motor pumps
• Hermetically sealed high-current stainless steel electrical studs for all pumps
• Simplified servicing without sealing washers or fuel cell retaining brackets
• Full CNC aluminum construction with anodized finish for corrosion resistance
• Compatible with leaded/unleaded gasoline, methanol, ethanol, E85, and more
• Optional fuel surge tank level switch and diagnostic LED failsafe port
• Rollover vent valve protection

Compatibility:

• Fits fuel cells with industry standard 6"x10", 24-bolt flange opening
• Opening must be on the top face of the fuel cell
• Minimum cell depth: 7.7" (196mm) from outer top face to internal bottom face

Included in the Box:

• Anodized aluminum 6x10 plate
• Anodized aluminum surge tank pump hat
• Anodized aluminum lift pump hat
• Anodized aluminum service handle
• Anodized aluminum level sensor plate
• Anodized aluminum surge pump bracket
• Stainless steel lift pump mounts (shallow and deep)
• Lift pump and surge pump fuel filters
• Anodized aluminum 8AN roll over vent valve
• FKM refueling rollover protection seal
• FKM 6x10 24-hole sealing gasket
• 8AN ORB to 6AN male return fitting
• 10AN ORB to 8AN male pump out fitting
• 2AN ORB fuel level switch plug
• FKM one-way fill valves (x3)
• Anodized aluminum acorn nuts
• Electrical wire ring terminals

Note: This kit is preassembled with 1 Walbro GSS342 lift pump and 1 Walbro GSS342 surge tank pump. For detailed installation instructions, refer to the official instruction manual.