The 2nd generation Fuel Surge Tanks from Nuke Performance, with everything you need to mount the popular Ti Automotive GST400 / GST450 / GST520 high-pressure fuel pumps.
This new updated version is the first of its kind specially developed and designed to mount a single or dual setup of Ti Automotive / Walbro GST400, GST450, and GST520, the Walbro motorsport fuel pumps that outperformance all current in-tank fuel pumps in its price range.
An extremely lightweight motorsports surge tank
Fits a single or dual high-pressure fuel pump
Combined into a single AN-10 ORB outlet
3.0 liter surge tank capacity
Made in Sweden
100% Safe for all types of fuels, including E85
Now with ORB threads, for a wider range of fittings
The Nuke Performance 2G Fuel Surge Tank 3.0 liter for Ti Automotive (Walbro) GST 450 / 520 lets you combine two internal fuel pumps into one AN-10 outlet. This Fuel Surge Tank is able to deliver steady fuel flow even over 2000hp. This setup is everything you need to be combined into a space-efficient and power-efficient solution and design.
Choose between a single or dual internal fuel pump setup
Run one or two fuel pumps individually with multi electrical connectors on the top lid. Designed and manufactured to handle extreme amounts of power with the same hallmark as all Nuke Performance products.
Everything you need to mount a single or dual GSS340 / GSS341 / GSS342 / GST400 / GST450 / GST520 from Walbro is included, and everything you need to mount any other 39mm fuel pump into the same surge tank without modifications. All necessary accessories are included for both single and double setups, but our fuel pump mounting kits are recommended for a trouble-free and service-friendly installation.
Fuel pumps are mounted with the billet internal mounting bracket
This Fuel Surge Tank comes with an internal bracket for the GST400, GST450, and GST520 Walbro fuel pumps and also fits all common 39mm fuel pumps mount with a perfect fit, fuel pumps such as DW200, DW300, AEM 340L, Aeromotive 340, etc. With no needed modifications, it's also possible to mount the larger Bosch BR540 and Deatschwerks DW400 within the same surge tank. This single outlet surge tank is the perfect solution and design for almost all fuel pumps used for tuning and motorsports applications on the market today.
High flow fuel pumps without heavy customization of the fuel tank
With our Fuel Surge Tank, you minimize the risk when running at a low fuel level, that the system does not cope with the extremely hard driving such as drifting, drag racing, and track days where you can exceed 2g, which could result in fuel loss. With this setup, you can rely on maximum fuel delivery, a safe solution for your engine even when the conditions are as demanding as they get. That you are able to mount high flow in-tank fuel pumps without larger customization of your stock fuel tank is almost as important, this is really the only setup you need.
The 2G Fuel Surge Tank 3.0 liter for Ti Automotive (Walbro) GST 450 / 520 works as a buffer so the fuel pumps are always supplied with fuel for high outputs as the return line from your engine routs straight back into the fuel surge tank, it stays full at all times.
How to mount fuel pumps within the Walbro GST Fuel Surge Tank?
Your stock fuel pump or your lift fuel pump within your stock fuel tank or your aftermarket fuel cell functions as a pickup fuel pump that ensures that the high-pressure fuel pumps within the oversized 3-liter surge tank always have enough fuel to maximize fuel flow and minimize the risk of starvation that can seriously harm your engine. The Fuel Surge Tank is delivered with everything you need to install the fuel pumps of your selection, but we recommend adding one of our fuel pump mounting kits for optimal functionality. All fuel pumps are securely mounted in all conditions thanks to the billet fuel pump brackets.
Fuel Pump Mounting Kits : Learn more about our SAE mounting kits
Additional Fuel Pumps : Explore our selection of fuel pumps
Available in various setups to fill your every possible need
Our Fuel Surge Tank is available in several different setups, each one designed to perform to the maximum. It comes with a billet aluminum mounting bracket with a six-bolt pattern making a secure fitment in any installation. Depending on which setup you choose they come with a various number of electrical connections, but regardless of the model, it is always equipped with our over-dimensioned electrical connectors that can manage x10 the current used. For the Walbro GST version, it is equipped with dual step connectors, letting you choose if you want to run the different fuel pumps on different steps, fuses, or at the same time.
Our wide variety of fittings and fitment possibilities suits your every need for fuel delivery within an aftermarket fuel system
The Nuke Performance 2G Fuel Surge Tank 3.0 liter for Ti Automotive (Walbro) GST 450 / 520, is now equipped with ORB threads instead of the UNF threads they used in the beginning. The AN-10 ORB outlet port and the AN-8 ORB inlet, return, and overflow ports let you choose from a wide range of different available ORB fittings. The use of the oversized, high flow AN-10 ORB outlet combines the internal fuel pumps into one single fuel line and minimizes the need for external equipment, hoses, and fittings. Outlet, inlet, overflow, and return AN-6, AN-8, AN-10, and AN-12 fittings are sold separately as accessories.
Outlet fittings :
AN-10 ORB to AN-6 Male Part # : 700-04-108
AN-10 ORB to AN-8 Male Part # : 700-04-109
AN-10 ORB to AN-10 Male Part # : 700-04-110
AN-10 ORB to AN-12 Male Part # : 700-04-111
Inlet / return / overflow fittings :
AN-8 ORB to AN-6 Male Part # : 700-04-104
AN-8 ORB to AN-8 Male Part # : 700-04-105
AN-8 ORB to AN-10 Male Part # : 700-04-106
AN-8 ORB to AN-12 Male Part # : 700-04-107
Developed with high demands from motorsports
Co-developed with worldwide motorsports teams, this fuel surge tank is set to perform under all conditions and for any horsepower requirement. Used in all types of motorsports such as drag racing, drifting, GT racing, time attack, and more. Designed to stand up to the destructive properties of alcohol fuels, including methanol and ethanol.
Made in Sweden, guaranteeing the highest possible quality
The second-generation Fuel Surge Tanks are developed, designed, and manufactured by Nuke Performance for the highest possible quality and with the same hallmark as all the other parts in the lightweight motorsports range. There is no substitute for the quality of Nuke Performance!
Fuel Surge Tank Specifications
For more information about functionality, view the FAQ guide.
|FST diameter||Ø 148mm (5.82”)|
|Bracket diameter||Ø 178mm (7.00”)|
|Mounting points||3 x M6 (Ø 6.5 mm / 0.25")|
|Surge tank volume||Approximately 3.0 liter (0.79 gallons)|
|Fits number of high-pressure pumps||1-2 x high pressure fuel pump|
|Outlet thread||AN-10 ORB (view assortment) **|
|Inlet thread||AN-8 ORB (view assortment) **|
|Return thread||AN-8 ORB (view assortment) **|
|Return to the fuel tank||AN-8 ORB (view assortment) **|
|Electrical connector||x3 M6, (max ≈125 ampere / each *)|
|Fuel compatibility||Gasoline, Methanol, Ethanol, E85|
|For motorsport use||YES|
* for reference only
** changed specification 2022
Walbro GST Fuel Surge Tank Includes:
1 x 3.0 liter fuel surge tank
1 x 6 bolt pattern aluminum mounting bracket
1 x Dual mounting bracket for internal fuel pumps
2 x 39mm fuel pump inserts for Walbro GST fuel pumps
2 x 1/4 BSPP to 8mm Barb (fuel hose) fitting
1 x 1/4 BSPP Plug (for single fuel pump use)
Accessories / Spare Parts
Assembly documentation (.pdf)
FAQ - How does a Fuel Surge Tank work?
Product update 2022 :
To satisfy our customer´s wishes, our 2G Fuel Surge Tank 3.0 liter for Ti Automotive (Walbro) GST 450 / 520 is now delivered with AN-10 and AN-8 ORB threads. Large range of fittings and even higher flow. No outlet or return fittings are included with the fuel surge tank, AN-6 to AN-12 fittings are available as accessories.
No fuel pumps are included with the Fuel Surge Tanks
The Nuke Performance fuel surge tanks are delivered without fuel pumps, if needed you select the preferred fuel pumps in our selection menu or see the fuel pump listings here.