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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
HP Billet Carbureted By Pass Fuel Pressure Regulator - 12-841Overview: Holley Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley. They are precision machined from 6061 T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12 841 fuel pressure regulator features 3 8" NPT in out ports and a 3 8 NPT return port. Features: Adjustable from 4. 5 9
Overview:
Holley® Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley®. They are precision machined from 6061-T6 billet aluminum for strength and durability. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. The Holley 12-841 fuel pressure regulator features 3/8" NPT in/out ports and a 3/8 NPT return port.
Features:
- Adjustable from 4.5-9 psi for precise fuel pressure adjustments
- Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
- Used in systems with a return line back to tank
- Use with electric pumps only
- One 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass)
- 1/8" NPT gauge port
- Comparable and interchangeable with popular Holley® 12-803BP regulator
- Mounting bracket included
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley |
|---|---|
| Color | Black Anodized |
| Emission Code | 5 |
| Fuel System | Carbureted |
| Fuel Type | Diesel |
| Fuel Type | Gasoline |
| Inlet Size | 3/8 inch NPT |
| Material | Aluminum |
| Outlet Size | 3/8 inch NPT |
| Pressure Range | 4.5-9 PSI |
| Product Type | Fuel Pressure Regulator |
| Return Size | 3/8 inch NPT |
| Style | Bypass |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
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
4.1 ★★★★★
Based on 135 reviews
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Product Reviews
★★★★★ 5
I Just Want to Read It Again!
Format: Hardcover
*****
What a brilliant book! When I first received "Help, Thanks, Wow: The Three Essential Prayers" I too was so disappointed that it was such a small book--tiny, short, maybe an hour's read. Ah, but what an hour! Precious. And to be completely truthful, this book actually took me several hours to read, because I had to put it down, think, cry, laugh, and even--yes--pray. This book is worth your time and attention. I am so glad that I have it in hardback because I will keep it forever and reread it regularly; I am finished reading it and I just want to read it all over again.
It is a book about getting through life. It is rich, raw, funny (hilarious, like all Annie Lamott) and written in language so stunning I would have to stop and just read and reread sentences. I feel as though my life has been broken open with a whole new attitude towards prayer, and even more, towards being alive. This is not a religious book at all, but a book for anyone who is spiritually-oriented and maybe especially for those who aren't, because the author writes about prayer in a way that every single person can relate to. This is a book about being real and true and simple and clear and about living a worthwhile life.
Don't miss this book.
Highly recommended.
*****
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Reviewed in the United States on November 15, 2012
★★★★★ 5
It’s great for the bathroom.
Color: Gold-aa
It’s great. I use it in all my bathrooms. It’s easy to change the paper. It fits on the tank and dresses it up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
★★★★★ 5
Good Product, Fair Price
Color: Gold-aa
I bought this for my guest bathroom where I have some other brass items and it fits right in. Easy assembly with the supplied Allen wrench and bolt, and it comes with a cover for the bolt hole which perfectly matches the base padding material so the assembly point becomes invisible. It doesn’t have a ‘towel unroll preventer’ but I knew that when I evaluated the reasonable sale price and decided that wasn’t important for the intended use. The base is heavy and the assembled item seems very sturdy. I found it weird that this towel holder came with a plastic box containing a fork and a spoon as a ‘gift’ but this will go in my car camping cookware bag. I don’t know how the brass finish will hold up over time but for now I’m very pleased.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025
★★★★★ 5
Fantastic paper towel holder!
Color: Sliver
Very sturdy, with a weighted bottom & it holds larger rolls. I put select-a-size triplet rolls on mine. It’s a nice looking one too. Compliments a stainless kitchen nicely.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Paper towel holder
Color: Gold-aa
A very nice product which matched my fixtures perfectly. It was well packaged and easy to assemble. Excellent value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
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