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The Radium Engineering FCST-X Fuel Cell Surge Tank (20-1990-01) is a next-generation integrated fuel delivery system designed to eliminate fuel starvation in high-performance street, track, and motorsports applications. Engineered for extreme driving conditions, the FCST-X combines a lift pump and surge tank into a single compact assembly, simplifying fuel system plumbing while maintaining consistent fuel pressure during aggressive acceleration, cornering, braking, and drifting.
This configuration includes Walbro GSS342 fuel pumps, a trusted and race-proven solution known for reliable high-flow fuel delivery in EFI and high-horsepower applications.
The FCST-X (Fuel Cell Surge Tank – 10 Year Evolution) represents Radium Engineering’s most advanced surge tank design to date, featuring increased surge capacity, improved fluid control, enhanced rollover protection, and faster service access.
Constructed from precision CNC-machined aluminum with anodized corrosion-resistant finishes, the FCST-X is built for reliability in demanding motorsports environments.
This system ensures uninterrupted fuel delivery in high G-force racing environments where traditional fuel pickups may become uncovered.
You will receive one (1) Radium Engineering FCST-X Fuel Cell Surge Tank Kit (20-1990-01) complete with Walbro GSS342 fuel pump(s) and all listed components.
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
