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🏍️ Restore your Ninja’s roar with precision power!
The QFS Fuel Pressure Regulator is a precision-engineered, direct-fit replacement designed for 1995-2025 Kawasaki Ninja ZX-4R, ZX-6R, ZX-10R, and ZX-12R models. Calibrated to deliver a stable 400KPA (58 psi) fuel pressure, it restores original equipment performance, protects your fuel system from premature wear, and ensures reliable power delivery. Crafted from durable aluminum and backed by a lifetime warranty, this regulator offers a clean, headache-free installation to get you back on the road faster with confidence.
| ASIN | B07K1LXVYT |
| Auto Part Position | Inside |
| Best Sellers Rank | #327,701 in Automotive ( See Top 100 in Automotive ) #283 in Automotive Replacement Fuel Injection Pressure Regulators |
| Body Material | Aluminum |
| Brand Name | HFP |
| Compatible with Vehicle Type | Pressure Regulator |
| Connector Type | Barb or Threaded |
| Customer Reviews | 4.1 4.1 out of 5 stars (51) |
| Fit Type | Vehicle Specific Fit |
| Gas Type | Gasoline |
| Included Components | Fuel Pressure Regulator |
| Inlet Connection Size | 2 Inches |
| Inlet Connection Type | Hose Barb" or "Threaded |
| Item Dimensions | 1.5 x 2 x 3 inches |
| Item Type Name | Pressure Regulator |
| Item Weight | 0.08 Pounds |
| Manufacturer | HFP |
| Manufacturer Part Number | HFP-PR104 |
| Manufacturer Warranty Description | Life Time Warranty |
| Material Type | Metal (Aluminum or Aluminum and Steel) |
| Mounting Type | Direct Mount |
| Operation Mode | Mechanical |
| Outlet Connection Size | 2 Inches |
| Outlet Connection Type | Barb or Threaded |
| Product Grade | New |
| Product Style | Fuel Pressure Regulator |
| Specification Met | OE |
J**S
Works with my gen 4 zx10r
Couldn't believe that a tiny little fpr will cause my motorcycle hesitate during acceleration. Fits like a glove, OEM quality and functions as it should. Install is really easy and now my zx10r is back to normal.
T**S
Great buy
Quantum is the best company, parts always fit and great quality.
H**E
Not a perfect fit
This was not a the right dimensions for an z900rs.
T**R
Good product
Product seems to be working good
A**R
NOT A FIT for the 2021 Concours 14 in the USA
In the picture there are two regulators. The one on the left is the OEM that came out of my fuel pump assembly. The one on the right is this product being sold as a replacement for the OEM. As we can see, they aren't even closely a match. This is incorrectly labeled as fitting the ZG1400 (aka GTR 1400, or more commonly known as the Concours 14) up to 2021 model year. Not sure what market this might be a replacement for the OEM, but here in the USA it is NOT A FIT.
C**N
Worked perfect in restoring power.
Bike wouldn't Rev past 4k, would surge and sputter, this restored the performance.
K**S
So far so good.
Use the pressure regulator for a golf cart been working good so far
N**L
2016 Ninja 650
Well, it kind of works. It's a slightly different shape but still makes a tight fit inside my 2016 Ninja 650 fuel pump housing. My bike was bogging, and that's gone now, but now it's surging. It doesn't look like it's well built either. the holes are misaligned. I can’t tell if that’s causing the surging or if it’s something else. Photos show the new part on the left and the OEM on the right.
Trustpilot
5 days ago
2 months ago