Holley 12-841 HP Billet Carbureted By-Pass Fuel Pressure Regulator

Description

Designed to be used in systems with a return line back to tank, It is adjustable from 4.5-9 psi for precise fuel pressure adjustments, Comparable and interchangeable with popular Holley® 12-803BP regulator, Features one 3/8" NPT inlet, one 3/8" NPT outlet and one 3/8" NPT return (or bypass), Constructed of billet aluminum with a black anodized base and clear anodize top for good looks
Holley 12-841 HP Billet Carbureted By-Pass Fuel Pressure Regulator
Sku # 42512841
Mfr. Part # 12-841
Condition
New
Brand
Holley
Sold
Each
Details
Info
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.
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
Charts
(PDF)
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
Specs
Material Type
Aluminum
Sold in Quantity
Each
Finish
Anodized
Color
Black
Fuel Type
Gasoline
Regulator Style
Bypass
MFG. Part #
12-841
Pressure Regulator Inlet Size
3/8 inch NPT
Pressure Regulator Outlet Size
3/8 inch NPT
Return Size
3/8 inch NPT
GTIN Code
090127670460
Fuel Pressure Rating (psi)
4.5-9
Reviews
Great product..well designed..quality parts
Rated
by Derek on May 10, 2020
Summary:
Very nice regulator for the price. Only problem is tightening fittings. There is no where to place a wrench on the body of the regulator. You need to use a vice, or pipe wrench which works but scratches the paint. But over all, very well built and does its job well.
Yes, I recommend this product.
regulator works great!
Rated
by waydo on October 25, 2018
Summary:
I used this for a carb swap on a tbi 89 firebird, worked great to meter down the fuel pressure right out of the box. Quality is good, comes with instructions and mounting hardware. Looks good.
Yes, I recommend this product.
Related Items / Suggested Parts
Holley 12-823 Regulator Rebuild Kit
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