By Radium Engineering

Radium Fuel Surge Tank Frame Rail Mount Kit - Lotus Elise/Exige

Regular price $988.00
Regular price Sale price $988.00
Shipping calculated at checkout.
Availability: In stock
SKU: 20-0013
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Regular price $988.00
Regular price Sale price $988.00
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Note: Does NOT include Radium FST (fuel surge tank)

This comprehensive installation kit includes everything needed to install a Radium FST-R with a single 39mm fuel pump in a US Market 2ZZ-GE powered Lotus Elise/Exige. The kit locates the FST on the right hand side of the vehicle in either the engine bay near the alternator or in the trunk (see below for details). The kit was not designed to work with the Radium MPFST.

This kit is compliant to be used with all popular alcohol fuels including E85 as ALL factory fuel lines are replaced with high quality -6AN stainless steel wrapped PTFE hose that utilizes a black PCV cover to prevent abrasion. It is also compatible with both the OEM fuel rail as well as a Radium Fuel Rail. ThE install kit is designed to be used with the Radium FST-R which has an integrated fuel pressure regulator built in. This means that no extarnal regulator needs to be purchased.

The Frame Rail Mount was designed for 2004-up Lotus Elise/Exige models with a nonsupercharged 2ZZ-GE engine. This location is compatible with A/C equipped cars and is ideal if the clamshell is modular. However, for the OEM supercharged Elise/Exige, Lotus relocated the emissions charcoal canister to this area. The charcoal canister will have to be removed or relocated if this FST location is necessary.

Note: Lotus Cup Cars do not use a charcoal canister so the Frame Rail Mount option is viable.

Kit Includes:

  • Preassembled PTFE Hoses with -6AN Hose Ends
  • Radium Anodized Billet 6061 Aluminum Fuel Return Adapter
  • Nickel Plated Frame Rail or Powder Coated Trunk Mounting Bracket
  • OEM Style and -AN Adapter Fittings
  • Stainless Steel Hardware
  • Installation Instructions
  • Complete Wiring Harness with Weather Sealed Relay and Fuse
  • Plug N' Play Adapter Harness for Fuel Pump Activation Trigger

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.