By Radium Engineering

Radium Fuel Surge Tank Install Kit (FST Not Incl) - Honda S2000 AP2 05-09

Regular price $682.00
Regular price Sale price $682.00
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Availability: Out of stock
SKU: 20-0114
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Regular price $682.00
Regular price Sale price $682.00
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This comprehensive installation kit includes everything needed to install a Radium fuel surge tank with a single 39mm fuel pump in a 06-09 Honda S2000. More FST information can be found HERE. The kit was not designed to work with the Radium MPFST.

This FST install kit utilizes Radium's innovative FST-R surge tank (sold separately) which incorporates an integrated fuel pressure regulator designed for the returnless fuel system found in the 06-09 S2000. This eliminates the need for an external FPR to be purchased. Furthermore, leaving the FST-R regulator barb disconnected to manifold pressure will emulate the OEM fuel pressure, if required.
 
Also, the 06-09 S2000 has no low pressure fuel return hose that plumbs back into the fuel tank. Included in this kit is a billet barb adapter (shown below) that routes the excess fuel from the FST back into the main fuel tank through the fuel filler hose. The Honda S2000 install kit locates the FST in a hidden collision-safe area of the trunk behind the left seat using factory located threaded bosses. No modifications or drillling required. Because the S2000 is a small vehicle, please consider the decibels of the fuel pump selected. As shown below, 100% of the trunk space is still useable.

The bolt-on powdercoated aluminum bracket mounts to existing OEM holes and features 3 rubber isolation mounting points to reduce fuel pump noise and vibration. Also included are wiring components with flying leads featuring Raychem solderless butt splices, and a weatherproof fuse and relay to drive the FST's fuel pump. Wiring is very simple and takes less than 30 minutes to assemble. No soldering is required.  

Included are 4 preassembled -6AN PTFE hoses which are great for all types of fuel including high alcohol contents, such as ethanol (E85). Unlike standard rubber hose, PTFE is non-permeable and eliminates any possible fuel vapor smell. These PTFE hoses use anodized aluminum hose ends and are cut-to-length specifically for the 06-09 S2000 application. The inner stainless steel braid resists extreme fuel pressures and is covered with black PVC which gives the hose added protection from debris and provides abrasion protection.

Honda S2000 Install Kit Features:

  • Preassembled 3/8" (-6AN) PTFE Hoses
  • Aluminum Mounting Bracket with Vibration Isolators
  • AN and OEM Style Adapter Fittings
  • Billet Barb Adapter, 1-1/4"
  • Stainless Steel Clamps
  • Stainless Steel Hardware  
  • Wiring Components with Relay and Fuse

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.