Description
Precision Fuel Regulation. The Holley HP Billet Bypass Carbureted Fuel Pressure Regulator offers precise fuel pressure control for carbureted engines, adjustable between 4.5 and 9 PSI. It maintains consistent fuel delivery by regulating pressure in fuel systems equipped with a return line, which is essential for optimal engine performance and reliability.
Construction And Appearance. Manufactured from durable 6061-T6 billet aluminum, this regulator features a black anodized body base and a clear anodized top, providing corrosion resistance with a refined, professional appearance. Its robust construction is designed to meet the demands of high-performance applications.
Installation. The inline mounting design ensures straightforward installation without the need for modifications in compatible setups. It includes a mounting bracket for secure attachment and standard 3/8 inch NPT ports for compatibility with commonly used fuel lines.
Warranty. This product comes with a manufacturer’s limited 90-day warranty, offering assurance of its quality and durability.
Application. Specifically designed for carbureted fuel systems that utilize a return line, this regulator is compatible exclusively with electric fuel pumps and is suitable for street and strip applications.
Holley 12-841
CA Residents: WARNING: Cancer and Reproductive Harm
- Street/Strip Carbureted Applications
- Two Port
- Adjustable From 4.5 To 9 PSI
- Constructed Of 6061-T6 Billet Aluminum With A Black Anodized Base And Clear Anodized Top For Durability And A Clean Look
- Used In Systems With A Return Line Back To Tank
- For Use With Electric Fuel Pumps Only
- One 3/8 Inch NPT Inlet Port
- One 3/8 Inch NPT Outlet Port
- One 3/8 Inch NPT Return/Bypass Port
- 1/8 Inch NPT Gauge Port Included
- Comparable And Interchangeable With Popular Holley 12-803BP Regulator
- Includes Mounting Bracket For Secure Installation
- Rebuildable Design For Long-Term Serviceability
- Fits Street And Strip Carbureted Fuel Systems With Return Line Requirements






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