By Radium Engineering

Radium Multi-Pump Fuel Surge Tank MPFST-R (Built in Regualtor)

Regular price $1,299.00
Regular price Sale price $1,299.00
Shipping calculated at checkout.
Pump Model: Fits Walbro GSS342 or AEM 50-1200 or DW440
Availability: Out of stock
SKU: 20-1445
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Regular price $1,299.00
Regular price Sale price $1,299.00

The Radium Engineering MPFST-R (Multi-Pump Fuel Surge Tank – Regulated) is a high-performance fuel management solution designed to prevent fuel starvation in high-powered vehicles during aggressive driving. Ideal for motorsport applications, this surge tank ensures consistent fuel delivery under extreme conditions.

Key Features:

  • Integrated Fuel Pressure Regulator: Built-in regulator eliminates the need for an external FPR, simplifying your fuel system.
  • Multi-Pump Compatibility: Supports various configurations:
    • Up to 3 Bosch BR540 (DW400) pumps
    • Up to 2 Ti Automotive E5LM brushless pumps
    • Up to 3 brushless Bosch pumps (DW440)
  • Swirl Pot Design: Tangential flow from the supply and return ports reduces aeration and improves pump performance.
  • Robust Construction: CNC-machined 6061-T6 aluminum, anodized for corrosion resistance. Compatible with gasoline, ethanol, and methanol.
  • Simplified Plumbing: Pumps merge into a single 10AN ORB outlet (pre-installed with -8AN adapter). Includes -6AN adapters for overflow, supply, and return ports.
  • Flexible Mounting: Can be mounted to uneven surfaces with included M6 stainless steel socket head bolts.

What’s Included:

  • MPFST-R assembly (fuel pumps not included)
  • Anodized aluminum mounting bracket
  • Pre-installed AN adapters (-8AN outlet, -6AN supply/return/overflow)
  • Stainless steel mounting hardware
  • High-current anti-rotation electrical terminals
  • Internal filtration screens (where applicable)

Optional Accessories (Sold Separately):

  • Fuel Level Switch (1/8 NPT): Provides a switched output when fuel level drops by approximately 20%
  • Fuel Level Switch + Diagnostic Indicator: Adds visual fuel level feedback for diagnostics

The Radium MPFST-R is the ultimate surge tank solution for high-powered street and track builds, ensuring uninterrupted fuel delivery under all conditions.

What clients say


  • Really fast and high quality customer support, my order got to me faster than the quoted time too. No complaints

  • The team took a mostly broken car after some work done elsewhere, and have systematically made it reliable and fast for a fair price. The staff are invested in the work they do which also makes a big difference.

  • Jeff was extremely helpful in assisting me with my exhaust. Always kept me updated and answered any queries in a timely manner. Will definitely be coming back for my future mods

  • Justin and his crew is amazing! Always ready to help and service with a smile. Trusty, friendly and reliable! Had my car sent in for repair twice and it’s fixed on time, at a reasonable price and with no issues. Highly recommended!

  • Easy to deal with and part was ordered quickly

Fitment & Compatibility


How do I know if this part fits my car?

We recommend checking your vehicle's make, model, year, and variant carefully. Most product listings include compatibility notes, but if you're unsure, contact us before purchasing.

Can you confirm fitment before I place my order?

Absolutely. Send us your VIN or Rego and we’ll confirm fitment for you.

Do you offer installation at your workshop?

Yes, we offer installations for most parts at our Ringwood workshop. Contact us to book or get a fitting quote.

Shipping & Handling


How long will it take for my order to arrive?

Most in-stock items ship within 1-2 business days. Delivery time depends on your location and shipping option chosen at checkout.

Do you ship internationally?

Currently, we only ship within Australia. For international enquiries, please contact us directly.

Can I pick up my order in person?

Yes, local pickup is available from our Ringwood workshop. Simply select ‘Local Pickup’ at checkout and we’ll notify you when your order is ready.

Please note: Some items are stored offsite and may need to be transferred from our warehouse, which can add a few business days before pickup is available.

Returns & Warranty


Can I return a product if it doesn’t fit?

Returns are accepted within 14 days if the item is unused and in original packaging. Please see our full Returns Policy for details.


What warranty comes with your products?

All products come with the manufacturer’s warranty. If you experience any issues, contact us and we’ll assist with the claim process.