SKU: 68545670007

N55 Big Bore High Pressure Fuel Pump

$1129.50 $1255.00
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

N55 Big Bore High Pressure Fuel PumpThe Precision Raceworks N55 BIG BORE HIGH PRESSURE FUEL PUMP is designed for customers looking to push the limits without port injection (or in addition to port injection). Our pumps were developed in a partnership with NHP taking advantage of resources offered by both companies to produce the highest quality and highest flowing high pressure pump upgrade ever for the N55 engine. This big bore high pressure fuel pump produces as much fuel as other

The Precision Raceworks N55 BIG BORE HIGH PRESSURE FUEL PUMP is designed for customers looking to push the limits without port injection (or in addition to port injection).  Our pumps were developed in a partnership with NHP taking advantage of resources offered by both companies to produce the highest quality and highest flowing high pressure pump upgrade ever for the N55 engine.

This big bore high pressure fuel pump produces as much fuel as other companies "stage 2" or "big bore" pump offerings do on their best day.  The biggest performance difference is consistency.  Each fuel pump is tested and calibrated using state of the art high pressure flow calibration equipment.  Any pump that does not conform to our strict requirements is discarded unlike most other brands that do not know the actual performance of the pump shipped to you.  So every pump we ship is the best of the best and we will will never ship a pump of unknown performance or one that is "probably good enough".

Additionally our fuel pump does not have gaskets or adapter fittings that can leak fuel under pressure .  Each pump is designed specific for your car and is laser welded for lifetime leak free service.


Where is the proof?  Each pump comes with flow calibration report showing dynamic test results and pass/fail status of critical functions.  So not only do you know for a fact the pump receive is performing the best you also know it is leak free and ready for use.


Can I run E85?  Of course!  Just like all other Precision Raceworks products our high pressure pumps are compatible with E85 and all other fuels as well!

Is it supported by tuners?  Absolutely!  The Precision Raceworks high pressure fuel pump is supported by MHD, Bootmod3, Ecutek, and others.  If you need help beyond that just give us a shout and we will get you fixed up!


Specifications
  • Factory N55 pump
    • Pump flow 2900psi (200bar): 115lph
    • Pump Weight: 2lbs
    • Horsepower Supported Pump Gas: 365 WHP
    • Horsepower Supported 100% E85: 330 WHP
  • PR Big Bore ("Stage 2")
    • Pump flow 2900psi (200bar): 200lph
    • Pump Weight: 2.75lbs
    • Horsepower Supported Pump Gas: 750 WHP
    • Horsepower Supported 100% E85: 550 WHP
    • Tuning Required:  Yes
    • Tuning Software with check box support:  MHD, BM3, EcuTek
    • Warranty:  LIFETIME


Instructions






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: 68545670007

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4.1 ★★★★★
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Product Reviews
M
Mike
Natrona Heights, US
★★★★★ 5
Dog tested, dog approved
This is a large, heavy-duty bone. And a great one. My Pitt-mix is very tough on things and can destroy most chew toys in short order. This actually has held up very well to his best attempts. As shown in the picture, after a lot of use over several weeks the most that he's been able to do is to put some small bite marks in it. I'm impressed. That's largely due to the material used. It's a dense, rubbery-type material that's resilient to biting/cutting/tearing. Very solid without being hard. Kind of along the same lines as that used for the popular Chuck-It toys if you're familiar with those (but heavier). I like this softer material better than the nylon bones which he loves but I'm afraid are going to crack a tooth at some point. Has some scent to it but does not have a strong smell. Can't vouch for the flavor but he seems to enjoy it. Again this is large and heavy toy. Probably a little too big/heavy for smaller dogs under say 40lbs or so. Some probably could do it but really better for the bigger dogs. Given how long this one looks like it's going to last, I'd say that it's a very good value. Bottom line - Dog likes it. I like it. Everybody's happy. Great bone. Buy it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 14, 2026
R
Rico
Port Orchard, US
★★★★★ 5
Flavor/Scent May Not Be Very Strong
My pup is picky about toys and the only ones that hold his interest are mostly the scented rubber toys from Playology, They’re great, but expensive, and I was really hoping this would be a cheaper alternative. It really looked like the kind of toy he likes. It’s heavy rubber with a softer texture than the hard toys out there, and it had a lot of surface grooves that lets him grip it with his teeth easily. I gave it to him and he was excited for all of 30 seconds, then he discarded it and hasn’t looked at it since. I suspect the flavor/scent may not be as strong but that’s just a guess. I don’t know if it’s a flaw in the toy or simply a picky pup, so I hesitate to rate this down for that. It does look like a really nice toy and if your dog isn’t a jerk like mine it may be great, and it’s definitely a good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
A
awesomest girl
Waukegan, US
★★★★★ 4
Heavy duty rubber bone
This bone is really heavy duty. It's got a groove down the middle of you you can put your pups favorite lickable treat. My 36 lb aussie enjoyed chewing on this and was nibbling the ends. This bone has held up to her chewing it with only a couple little pieces coming off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
S
S. Alter
Chelsea, US
★★★★★ 5
Big hit with my super chewer.
Here’s an expanded, Amazon-friendly version that keeps a natural, human tone while adding helpful detail: This is a truly heavy-duty chew bone and a great option for aggressive chewers. The first thing I noticed when I took it out of the package was the weight. It’s solid and well made, so it definitely feels like it’s built to last. Because of that, I would recommend being mindful when handing it to your dog and avoiding tossing or dropping it on hard floors or toes. My dog, Yukon, was instantly thrilled with it. From the moment I gave it to him, he’s been carrying it around proudly and settling in to chew on it for long stretches of time. It’s kept his attention much better than lighter chews, and it’s holding up well to his strong jaws so far. I also love that it provides great enrichment and gives him a safe, satisfying outlet for his chewing instincts. Overall, this chew bone has been a big hit in our house. If you have a powerful chewer and are looking for something durable that will actually keep them engaged, this is a solid choice. I’m very glad I picked it up for Yukon and would recommend it to other dog owners with heavy chewers.
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Reviewed in the United States on January 30, 2026
T
TentAndLantern
Grantham, US
★★★★★ 5
Immediate Hit With My Power Chewer!
Immediate hit. Like, didn’t even make it fully out of the package before my dog was sniffling around the package, all excited. I have a serious chewer, the kind that treats most toys like a personal challenge. This one has actually held up. It’s firm and tough, but not rock hard like those nylon bones that make me nervous about teeth. There’s a little bit of give to it, which I like. The beef flavor must be legit because he keeps going back to it. This isn’t one of those toys that gets ignored after five minutes. He’s been happily gnawing on it and hasn’t managed to destroy it yet, which honestly says a lot in this house. I also like the shape and texture. It’s easy for him to hold, and the ridges seem to keep him engaged longer. Bonus points if it’s helping his teeth even a little, because chewing is already his favorite hobby. No toy is truly indestructible, but this has definitely earned its place in the “worth buying again” category. If you’ve got a medium to large dog who lives to chew, this one’s a solid win.
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Reviewed in the United States on February 1, 2026

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