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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Billet Bypass Fuel Pressure Regulator Kit 4.5-9 Psi W/Fittings & Gauge-12-841KITHolley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12 841 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3 8" NPT in out ports, a 3 8" NPT return port, a 1 8" NPT gauge port. In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware
Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-841 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port. In addition, 3 adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware are also included.
Features:
- Adjustable from 4.5-9 psi for precise fuel pressure adjustments
- Used in return style systems with a line back to the fuel tank
- 38" NPT Ports
- 1/8” NPT Gauge Port and Earl's Fuel Pressure Gauge (100187ERL)
- Fuel Gauge and adapter fittings included
- Mounting Bracket Included
FEATURES
- Designed to deliver trouble-free, consistent performance
- Right for your vehicle and lifestyle
- Made from high-quality materials for ultimate durability
- Manufactured to meet or exceed strict quality requirements
- If you have any questions or need fitment information for your vehicle, please contact with us
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
4.0 ★★★★★
Based on 2029 reviews
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Product Reviews
★★★★★ 4
Runs small
Size: 8.5, Color: Sandstorm
This shoe is super cute and comfy. I usually wear an 8 or an 8½. I ordered the 8½, but it was too small, so I had to send it back. I reordered a 9, and it fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 20, 2025
★★★★★ 5
Love love these
Size: 7, Color: Black
Totally love these.
I found them to run a bit short. I ordered a 6 1/2 (my normal size) - had to return them for a 7.
But I love them.
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Reviewed in the United States on March 15, 2026
★★★★★ 3
Narrow at toes
Size: 8, Color: Smoke Grey
Cute but very narrow at the toe opening. My feet are a little wide their so they are not very comfortable
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Love these
Size: 6, Color: Black
Love these shoes. Very nice quality. Lots of compliments every time I wear them. I have two pairs - one black and the other light tan. I highly recommend.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Nice Bags Lots of Colors
Color: Black, Size: Standard 15.6 Inch
This was a great carry on bag for me. The size is perfect and has lots of pockets. The material is very nice and durable and I got black but it is still a nice color black with many other colors to
Choose from. I brought it to London and was very happy with its functionality. It does get a little heavy when lots of things are in it but I am not used to wearing a backpack. It does have a loop to slide onto your carrying on luggage handle as well.
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Reviewed in the United States on April 26, 2026
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