SKU: 70032307954

FST-R, WALBRO GSS342, AEM 50-1200/50-1000, PUMP NOT INCLUDED

Sale price$199.32 Regular price$221.47
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Description

FST-R, WALBRO GSS342, AEM 50-1200/50-1000, PUMP NOT INCLUDEDRADIUM FST R FEATURES Full CNC aluminum construction with O ring sealed interfaces Anodized for compatibility with all fuel types Integrated adjustable fuel pressure regulator with 1: 1 vacuum reference Interchangeable regulator orifice sizes to match output of different pumps Nickel Plated Electrical Connector with 24" Flying Leads Assembled with stainless steel hardware Three 6AN male fittings (8AN can be purchased separately) RADIUM FST R The FST R

RADIUM FST-R FEATURES
-Full CNC aluminum construction with O-ring sealed interfaces
-Anodized for compatibility with all fuel types
-Integrated adjustable fuel pressure regulator with 1:1 vacuum reference
-Interchangeable regulator orifice sizes to match output of different pumps
-Nickel-Plated Electrical Connector with 24" Flying Leads
-Assembled with stainless steel hardware
-Three 6AN male fittings (8AN can be purchased separately)

RADIUM FST-R
The FST-R (Fuel Surge Tank–Regulated) is an all new design that houses a single internal fuel pump and has an integrated fuel pressure regulator machined into the top cap. The high-flow regulator is adjustable and features interchangeable orifice sizes. This revolutionary idea eliminates the need for an external fuel pressure regulator along with the extra fittings and hoses. This simplifies the installation, reduces overall cost, reduces weight, and eliminates potential leak points in the fuel system. Furthermore, this system permits cooler fuel temperatures as the fuel is not returning from the hot engine bay. Like all Radium fuel surge tanks, this universal product can be used on any fuel injected application and is compatible with all fuel types.

The FST-R can be configured with all 39mm fuel pumps from many leading manufacturers. Note: The FST-R is not available in dual-pump configurations. If the pump is purchased as part of the FST-R, the surge tank will come fully assembled and will be pressure tested for leaks and ready to be installed. If the pump is purchased elsewhere, some assembly will be required.

The side port is the regulated pressure output and is plumbed directly to the fuel rail(s). No additional fuel pressure regulator is required. Pressure adjustment is done using the adjustment screw located on the top cap of the regulator unit. A vacuum line hooks up to the nipple on the FST-R to achieve 1:1 vacuum reference. Note: returnless fuel systems commonly use a constant fuel pressure. In this case, the vacuum reference hose is not required.

The FST-R is no taller than a standard fuel surge tank with hoses installed.

Two interchangeable orifices are included with calculated flow diameters to match the fuel pump flow to the regulator. Furthermore, this added precision will resist diaphragm flutter and optimize pressure stability.


A fuel pressure gauge is needed in order to set and monitor fuel pressure and should be located along on the output line or at the fuel rail. The Radium universal fuel pressure gauge is perfect for this duty.

For the 20-0368-00 Ti Automotive E5LM FST-R, a 20-0598 check valve is included to prevent backflow.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70032307954

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4.1 ★★★★★
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Verified Purchase
T
Draper, US
★★★★★ 5
Perfect for my dog
Color: Blue Puppy, Size: Medium Size 2
My dog (16 lb) LOVES to whip her toys around and throw them in the air to chase after them. This is the perfect toy for her to play outside by herself. I would repurchase for her over and over again if needed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
B
Verified Purchase
Beach Lover (Sue)
Whiting, US
★★★★★ 5
Pup loves this!
Color: Blue Puppy, Size: Medium Size 2
My pup loves his soccer balls. These are very durable although if you have a dog that doesn't grasp the concept of using the loops/straps to carry it, teeth could puncture it. They are a good value for the money if your dog likes to chase the ball, I get the smaller size ball for my dog (medium dog). They come with a pump but if you have a bicycle pump or a battery operated pump, it will fill much faster. Ours stay outside and even in the winter, they hold up well, just need a bit more air occasionally to keep it pumped up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 16, 2025
N
Verified Purchase
Natalie
Port Orchard, US
★★★★★ 5
Strong Toy
Color: Blue Puppy, Size: Medium Size 2
My dog loves this toy and lasted months. Just ordered a new one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
G
Verified Purchase
Geege
West Palm Beach, US
★★★★★ 3
Well that didn't last long!
Color: Blue Puppy, Size: Medium Size 2
He loved it for the 15 minutes it took to destroy it! Cute design, but the material was thin enough to penetrate with his teeth and it was all over in a very short time! He still carries the carcass around and tries to play with it...it's sad. Definitely not for strong chewers.
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Reviewed in the United States on January 17, 2026
A
Verified Purchase
Ash
Omaha, US
★★★★★ 4
Decent ball
Color: Blue Puppy, Size: Medium Size 2
Context: I have a busy, anxious Corgi. I like that it came with a pump to air it up. My dog likes the tag feature on it which made the ball easy to carry. She chewed off the tags pretty quick. She didn’t like herding this one as much. She prefers herding a basketball over this ball. The ball sits in the backyard through all the weather and elements and has held up pretty well. We’ve had it about a year and it’s still a good toy.
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Reviewed in the United States on April 10, 2026

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