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Description
GFB FX-S Fuel Pressure Regulator 8050GO FAST BITS FX SERIES EFI FUEL PRESSURE REGULATORS FEATURE: 1: 1 fuel pressure rise rate Double layer double reinforced diaphragms with a burst strength exceeding 1000psiFX R 300 Teflon co polymer seat with stainless valve to retain fuel pressure longer after shut down Spring pre load adjustment screw is o ring sealed and does not leak vacuum boost Static pressures adjustable from 28psi to 72psi Completely serviceable Multiple body ports allow for a
GO FAST BITS FX SERIES EFI FUEL PRESSURE REGULATORS FEATURE:1:1 fuel pressure rise rate
Double layer/double reinforced diaphragms with a burst strength exceeding 1000psiFX R 300
Teflon co-polymer seat with stainless valve to retain fuel pressure longer after shut down
Spring pre-load adjustment screw is o-ring sealed and does not leak vacuum/boost
Static pressures adjustable from 28psi to 72psi
Completely serviceable
Multiple body ports allow for a large variety of setup options
Features 4x 1/8" NPT ports which can be used for any combination of fuel inlet/s or pressure gauge/ECU sensor, and 1x 1/8" NPT return port
GO FAST BITS FX SERIES EFI FUEL PRESSURE REGULATORS JOIN OUR EXISTING LINE OF SUCCESSFUL PRODUCTS, BUILT WITH THE SAME PRECISION, MACHINING QUALITY, AND RELIABILITY THAT IS THE FOUNDATION OF OUR REPUTATION.
From the 800Hp FX-S Street to the 1500Hp FX-R Race version, and whether you run pump petrol/gasoline, Ethanol, Methanol or Diesel, we have you covered no matter what your Fuel Pressure Regulator requirements are.
What sets us apart from the competition? Well, if you’re looking for an EFI Fuel Pressure Regulator that seals and behaves just like your factory unit but with the added reliability and high flowing capacity you require, then look no further than the FX-R.
How have we achieved this? Our engineers have spent countless hours developing a unique replaceable co-polymer valve seat. What does this mean? Conventional aftermarket performance Fuel Pressure Regulators typically utilize a metal-to-metal valve and seat which by nature will not positively hold pressure when your engine is shut down, which can make startup more difficult.
Here at Go Fast Bits, we have incorporated a softer, more compliant yet resilient material for the valve seat, which will always positively seal and hold fuel pressure on shut down, designed to give factory-like sealing and reliable startup, as well as superior fuel resistance suitable for Unleaded, Ethanol, Methanol, and Diesel fuels.
We also use a double layer diaphragm, which means we have twice the reinforcing material, and as a result the burst strength exceeds 1000psi!
The FX-R also offers multiple fuel inlet and gauge ports that allow for a wide range of fuel system setups beyond the usual inlet/outlet, including parallel fuel rail or returnless "deadhead" systems. The two gauge ports allow you to run a mechanical fuel pressure gauge AND an ECU fuel
pressure sensor if you want to.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 2
Lasted one day
1yr old Sheltie destroyed it one day.
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Reviewed in the United States on February 24, 2022
★★★★★ 1
Not for "chewers" or puppies.
The toy is not "ruff and tuff", at all. Puppy had it torn to bits in just a few minutes. Nothing like handing your dog the toy while you finish unloading groceries only to come back and it looks like it snowed stuffing in your living room. It's made of a very thin material and is quite flimsy. Won't be buying this brand again. Might be good for an older dog who just wants to carry it around or play fetch. Although it's so light and flimsy, throwing it any farther than a few yards probably wouldn't work...
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Reviewed in the United States on February 3, 2019
★★★★★ 5
Favorite Handy Toy
This snake has been around our house for years! My shitzu/maltease dog is tiny, and he has a small mouth, but I call him Diablo! He loves to growl and act like a horrible terror when it comes to fighting over a little squeaky toy, and we use the snake to try to "push" the little toy away from his mouth. He loves to bite the snake and pull on it viciously. The snake has tiny holes in it, but has pretty much stayed intact. I am getting ready to add more stuffing inside it so it won't be so floppy. years of use have flattened it out. I love this thing. Well worth the money for a small-mouthed dog. The squeaker in the head was fun while it lasted, but the beauty of this snake is its shape and versatility as a pull on, and sneak up behind toy.
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Reviewed in the United States on September 5, 2019
★★★★★ 5
Fantastic Toy!!!
Pattern Name: Duck, Pattern Name: Duck
16 squeakers!! Every one works! Best toy I’ve found!! At 71yrs, I’ve had many dogs. Many toys. Rocky couldn’t be happier. Which makes me happy! It’s a bright yellow duck, kinda flat. 16 squeakers!! Big, for my 5.5 lb Pomeranian, but, he’s all boy, so, it’s great. He won’t leave me alone!! Play time, and, looking in my eyes with all the love he feels for me…. I’ll buy every toy this company makes, just to get that look from my pup!! Sturdy, so far. Beautiful orange and yellow colors. Soft toy. I love it, myself!! The box says it’s a 27 inch toy. So….its a 27 inch toy. Yes…for the many squeakers, I’m gonna hunt for more from this company. Rocky and I are having a Ball with this toy!!! A great bonding item for us. And, I enjoy seeing my boy’s eyes sparkle. I would do anything for Rocky!! Thank you, Amazon!!!
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Reviewed in the United States on March 25, 2026
★★★★★ 5
Cute toy
Pattern Name: Duck
Super cute, kept my husky entertained! Well made, held up to a Super chewer for more than the typical 5 minutes! Lol
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Reviewed in the United States on December 27, 2025