





⛽ Master your fuel flow, dominate the drive.
The K-MOTOR Adjustable Fuel Pressure Regulator is a universal 6AN return-style kit designed for precise fuel pressure management between 30 and 90 PSI. Made from anodized aluminum with steel internals, it features dual 6AN inlet ports, a 6AN return port, and a 1/8 NPT gauge port for easy monitoring. Engineered for durability and accuracy, it delivers consistent performance under heat, making it a top choice for professional-grade fuel injection tuning.





| ASIN | B09NJGHRLR |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #206,210 in Automotive ( See Top 100 in Automotive ) #8 in Automotive Replacement Fuel Injection Pressure Regulators Kits |
| Brand | K-MOTOR PERFORMANCE |
| Color | Black |
| Connector Type | 6AN Adapter |
| Customer Reviews | 4.3 4.3 out of 5 stars (90) |
| Date First Available | December 12, 2021 |
| Exterior Finish | Anodized Black |
| Included Components | (1) Mounting Bracket, (1)Fuel Pressure Gauge, (1)Fuel Pressure Regulator, (3) 6AN Fittings |
| Item Package Quantity | 1 |
| Item Weight | 1.18 pounds |
| Item dimensions L x W x H | 2.7 x 2.4 x 1.5 inches |
| Item model number | 6AN-Fuel-Regulator-BLK |
| Manufacturer | K-Motor Performance |
| Material | Aluminum - Steel Internals |
| Number of Pieces | 1 |
| Part Number | 6AN-Fuel-Regulator-BK |
| Product Dimensions | 2.7 x 2.4 x 1.5 inches |
| Size | 6AN |
| Special Features | Adjustable, Quality, Universal Fit |
| Style | Fuel Pressure Regulator |
| Thread Size | 6AN |
| Thread Type | NPT |
| Warranty Description | 6 Months After Delivery Date |
A**N
Eat your heart out Aeromotive!
Needed an adjustable regulator for a new fuel injection system (Aces Killshot, which from what I can tell they still have some bugs to work out of their software👎) and although Aeromotive makes quality fueling components I just couldn't justify their price for a component that might not even fix my issue. So I went with Ktuned fpr. I already had the lines run when it arrived so I made my 2 hose connections put sealant on the Guage threads and tightened it into its port and started cranking the motor. Eventually I got my 6.3l 385 stroker doing something resembling an idle and looked at the gauge. The needle was pinned right to 60psi and didn't waver from that until I turned the adjustment screw down to 48. The regulator and gauge worked flawlessly and look to be made from quality materials very similar to Aeromotive. The problem with these gauges is when they get hot under the hood they usually start to dance, reading pressure inaccurately. This one does not and is worth every penny I spent and will likely again.
E**N
Good Buy
Nice quality, haven’t ran it for long but so far so good
W**N
So far so good
Overall product is good. 0 leaks. Currently on my 2002 is300 return line setup. Only thing I’m not a fan of is the whole unit is metal BESIDE the 1/4 barb for your vacuum feed. It’s plastic so if you accidentally hit it I’m very confident it will break.
R**Y
Good
Nice quality no problems so far been running it for a year now
M**.
Poor pressure regulation
ALMOST ZERO HOLD PRESSURE, VERY INCONSISTENT PRESSURE. Do yourself a favor and buy a quality regulator for 30-50 dollars more. Your engine is worth it
J**N
Well made.
Well Made . does what it supposed to. Not sure of longevity.
V**A
Best fuel regulator for the money hands down!
Easy install and works amazing and runs as good or even better then the 300-500 dollar regulators out in the market. Got it in my 17 sti and and my EK K20 swapped. it's doing the job better then the high end brands.
C**.
I wouldn't get any other brand!
This thing is amazing and works great been holding pressure great and had no leaks out of the gecko! I did tighten all the fittings before installation and I'm assuming they keep them all loose so you have to go through them all and ensure there isn't any leaks!
H**.
Impressed quality
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