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The Radium Engineering FHST (Fuel Hanger Surge Tank) is the definitive solution for fuel starvation on the Nissan Skyline R32 GT-R. Fuel slosh under aggressive driving creates unstable fuel pressure and lean conditions that can cause catastrophic engine damage. While a stand-alone surge tank is an effective solution, installation is typically complex. The Radium FHST eliminates this complexity by integrating a fully functional surge tank directly inside the OEM fuel tank — configurable with 1, 2, or 3 high-pressure surge pumps and 1 lift pump to meet the fuel demands of any power level.
No grinding, bending, or permanent modification of the vehicle is required. The system is fully compatible with E85 and all alternative fuel types. A replacement OEM Nissan fuel level sensor with the correct resistance range is included to ensure the factory gauge cluster operates correctly.
Note: Fuel pumps are not included and must be purchased separately.
How the Surge Tank Stays Full
Three independent sources keep the surge tank full at all times — even during aggressive cornering, braking, and acceleration:
Lift pump via stainless steel collector box — A stainless steel collector box secures to the fuel tank floor. It features a 1-way trap door to control slosh and prevent lift pump starvation. The lift pump sends fuel into the lower portion of the surge tank via intricate tangential machining that creates laminar flow — preventing foaming and aeration.
FPR return fuel — Returning fuel from the fuel pressure regulator fills the surge tank through a diverging deflector that prevents foaming and aeration.
Dual 1-way fill valves — Two integrated 1-way fill valves in the lower surge tank allow fuel in but not out, supplying 355LPH each (710LPH total).
Plumbing
Pre-installed barb fittings permit direct connection to the factory fuel hoses — no extra fuel plumbing required for a standard installation. Additionally, 8AN (feed) and 6AN (return) adapter fittings are provided for aftermarket -AN style hose connections. All fitting ports are machined low enough to clear the unibody sheet metal.
Fuel Pump Compatibility
All kits come partially assembled — final assembly is performed during installation. Each kit includes enough hardware to run 1, 2, or 3 surge tank pumps and 1 lift pump. Fuel pumps must be supplied separately. Compatible pumps:
Walbro GSS342 255LPH
Walbro F90000267 E85
Walbro F90000274 E85
Walbro F90000285 E85
AEM 50-1200 E85
Ti Automotive BKS1001 E5LM (brushless)
Mixed Brushed + Brushless Pump Strategy
A popular approach is to combine brushed and brushless pumps. For a mixed configuration, the following parts are recommended (quantities depend on number of pumps used):
14-0691 — pump adapter for Walbro F90000274, qty: 0-2
17-0051-00 — pump bracket for Walbro GSS342 / AEM 50-1200, qty: 1 or 2
17-0049-00 — pump bracket for Walbro F90000274, qty: 1 or 2
Electrical
Bulkhead connections: Custom stainless steel electrical studs handle the high current demands of multiple fuel pumps. Connections are hermetically sealed and impervious to all standard and exotic fuels. Non-conductive anodised aluminium acorn nuts prevent accidental short circuiting. The top hat accommodates the lift pump plus up to 3 surge pumps (including brushless).
External wiring: The OEM external fuel pump wiring is sufficient for the lift pump (now operating at low pressure / high flow). High current wiring for one FHST surge pump is included (1 relay, 1 fuse, and all associated wiring and hardware). For additional surge pumps, purchase Radium 17-0031 DIY Wiring Kit for each additional pump.
Fuel level sensor: A replacement OEM Nissan fuel level sensor with the correct resistance range is included — ensuring the factory gauge cluster reads correctly. The original low fuel switch is reused.
In-tank wiring: All in-tank wiring is insulated with chemically resistant ETFE. Electrical hardware is included for all fuel pumps and sensors.
Key Features
Drop-in installation — no grinding, bending, or permanent vehicle modification
In-tank surge tank design — eliminates external surge tank complexity
Configurable for 1-3 surge pumps + 1 lift pump — scalable to any power level
Up to 3 brushless pumps supported
Three-source tank fill system — lift pump, FPR return, and dual 1-way fill valves (710LPH total)
Laminar flow surge tank fill — tangential machining prevents foaming and aeration
8AN ORB merged pump-out port — supports high-flow aftermarket fuel systems
8AN ORB return port
OEM and aftermarket plumbing compatible — barb fittings for OEM hoses, 8AN/6AN for aftermarket
Replacement OEM Nissan fuel level sensor included — correct resistance range for factory gauge cluster
High current electrical hardware — stainless studs, hermetically sealed, ETFE wiring
E85 and alcohol fuel safe — compatible with gasoline, methanol, and E85
✔ In-tank surge tank — eliminates external surge tank complexity entirely
✔ Three-source fill system — fuel supply secured under all driving conditions
✔ Scalable to any power level — 1 to 3 surge pumps plus lift pump
✔ Trusted by professional motorsport teams and serious enthusiasts worldwide
✔ Exclusively distributed in Australia by Coore
Genuine Radium Engineering product. Stocked in Sydney for fast Australian delivery. Fuel pumps sold separately. Select variant based on your chosen pump model. For additional surge pump wiring, see Radium 17-0031 DIY Wiring Kit. Professional installation recommended.
We endeavour to ship all regular and stocked items on same day, next day or within 5 business days of your order being placed
Custom orders may take longer than regular shipping times but will have information about shipping time on the listing
We take extra care in packaging your orders to ensure you quality parts arrive safely
PRP accepts no responsibility for damage or loss to items/products/services from courier or shipping companies once we have received receipt for the third-party service
All Items purchased from PRP are to be installed by a qualified mechanic at a licensed workshop
Modifying your vehicle is illegal in some states and territories, the customer acknowledges that it is their responsibility to abide by the law and take the appropriate measures to ensure that their vehicle is roadworthy
PRP assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use, as all our products are intended for track use only
Refund requests will be reviewed case by case. Due to numerous factors including automatic & immediate 3rd party supplier purchase orders & merchant fees imposed on us, you might be liable to cover an unavoidable restocking/cancellation fee of ≥ 5%. Please review your purchase and consider contacting us for an ETA before placing an order. If your order is for a gearbox, specific turbocharger, engine build, manifold or something generally not in our extensive inventory, this restocking fee is based on the supplier and not dictated by PRP.
Effective September 2024, refunds will not be provided for change of mind, incorrect choice or custom ordered products.
Exchanges or refunds for items and customers that are categorized and applicable under the Australian Consumer law, requires the product/s remain unused and returned in original packaging in saleable condition at your expense to our HQ in Australia. They must return in reasonable time. PRP justifies reasonable to 60 days from date of purchase.
If items are damaged due to courier or otherwise neglect outside of your or PRP's control, you must notify PRP within 14 days of receipt or the claim is void.
Platinum Racing Products is not liable for refunds or replacements due to lost or stolen property. We will however attempt every effort to assist in the recovery of your goods.
We reserve the right to offer you a full or partial refund which can be applied over staged or full payment/s within a 30 day period.
You agree that if you select "Authority to Leave" or similar, you waive the liability from the shipper (as per their line agreement) and Platinum Racing Products. As such, we strongly suggest sending your package to an address where someone will be available to sign for the goods and keep them secure.
Anodizing is done in house with state of the art equipment and we hold stock of most popular colour's. We anodize generally within 48hrs. No refund nor partial will be provided if your request is inside the 48hr period and you require urgent parts however we will always do our best to meet your needs.
There is no partial or full refunds on shipping where factors are outside of PRP's control. Any shipping estimates are to be considered estimates only.
Silicone Hose Kits: Please note that our silicone hoses have been designed and tested for the vehicle models mentioned. They may fit other vehicles with the same engine model, however the purchase and installation is at your own risk. Due to extensive model changes throughout the years, we are unable to supply or customize hoses in alternative lengths or sizes beyond what is offered. The kits might not contain every hose you want, but we have made every effort to include the series changes to cover the majority of needs. This means we might include hose/s that don't suit your series as a bonus. We strongly advise that you carefully review all photographs provided before making your purchase. PRP does not offer refunds or partial refunds for hoses that are not included in the kit unless they are explicitly shown in the photographs and missing from your delivery.
Warranty Policy
Warranty is for a full refund or exchange provided the item was purchased through PRP or one its approved resellers or workshops.
Warranty is void if you tamper with products or bring them back in a different state to which they were sold to you.
Warranty does NOT cover costs of shipping to and from in any circumstance.
All Items/Products/Services purchased from Platinum Racing Products are to be installed by a qualified mechanic at an approved workshop and ALL warranty claims are dependent on proof of appropriate installation and verification of failure.
Modifying your vehicle is illegal in some states and territories, the customer acknowledges that it is their responsibility to abide by the law and take the appropriate measures to ensure that their vehicle is roadworthy.
Platinum Racing Products assumes no responsibility for any work carried out, modifications made or parts supplied with regards to road use. All our products are sold and intended for track use only.
Lifetime warranty refers to certain Platinum Racing Products branded components and generally does not include 3rd party suppliers and their parts. Manufacturer warranty applies to items including but not limited to alternators, turbochargers, electrical sensors, ECUs and associated parts, tyres, etc.
Due to customer and external components not supplied by PRP, flat drive oil pumps and components are limited to 1 yr warranty with specific cases reviewed before honoring. Spline drive will remain to have lifetime warranty, but again only after specific review.
All refunds and warranty claims are based on back to base review and parts will need to be returned to HQ for assessment unless otherwise arranged.
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