Holley fuel regulator

X_1 If you're running an electric fuel pump, chances are you're going to need a regulator to control the fuel pressure. Available in polished Chrome or Black e-c...Regulate Fuel System Pressure with Ease. Holley Die-Cast Fuel Pressure Regulators will precisely control the pressure from the fuel pump to the fuel distribution system. Each regulator is fully adjustable, comes pre-set (eliminating guesswork when installing), and is available in multiple options for EFI and carbureted applications. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. allowing the fuel pump to perform to its maximum. Holley offers standard in-line filters that can be used on the street. For the Pro-Series VOLUMAX fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car- Holley 12-803BP Fuel Pressure Regulator. 4.3 out of 5 stars 113. $144.06 $ 144. 06. Get it by Tomorrow, Jun 3. FREE Shipping by Amazon. Only 1 left in stock (more on the way). More buying choices $137.95 (14 new offers) Holley 12-803 Fuel Pump Fuel Pressure Regulator. 4.4 out of 5 stars 507. $61.42 $ 61. 42.Holley Fuel Pressure Regulators 12-704. Holley Fuel Pressure Regulators 12-704. Fuel Pressure Regulator, Aluminum, Natural, 4 1/2-9 psi, Universal, Each. Part Number: HLY-12-704. 4.2 out of 5 stars. Estimated Ship Date: Tomorrow. Free Shipping; $146.95. Estimated Ship Date: Tomorrow.Turn the screw out to lower the pressure. It's unlikely that anything's stuck. It's a diaphram with a spring. If you have it plumbed up "dead headed", lowering the pressure might not react very quickly. What I would do, is with the car off, (or electric pump off), turn the screw a good ways out. This ensures that it's set too low.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley 12-803BP fuel pressure regulator features 3/8" NPT in/out ports and a 3/8" NPT return port ...I have been having some issues with the Holley pressure regulator too. The low pressure 12-804 (1-4psi) regulator looks exactly the same as the high pressure 12-803 (4.5-9psi) regulator.Shop Fuel Pressure Regulators and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. ... Holley Fuel Pressure Regulator & Liquid Filled Gauge Kit 4.5-9PSI $56.69 $65.35 Universal Fit, 4.5-9 Fuel Pressure Rating (psi) On Sale Fuel Pressure Rating ...The Holley Filter/Regulator has its own return. Plug the return on the Sniper. The Filter/Regulator will supply the 59.5 psi Sniper needs, and the plugged return on the Sniper will disable the regulator built into the Sniper. 07-18-2018, 10:47 AM #8 Danny Cabral Administrator Join Date Dec 2009 Location Connecticut Posts 31,319I bought a Holley 12-803 Fuel pressure regulator to knock the fuel pressure down to 6 psi. It won't even go down to 7 psi. It's supposed to be able to drop as low as 4.5 psi. What is the problem? I asked Holley but they will not reply. Thanks guys!Holley fuel pressure regulators help to ensure a constant, steady flow of gas to the carburetor regardless of variations in fuel pump output pressure. This "dead-head" type regulator has a single inlet port on the bottom and two side outlet ports to make it easy to connect multiple carburetors, or two float bowls of a 4-barrel. Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel ...Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Adjustable Fuel Regulation From 4-1/2 To 9 Inch 7/32 Inch Restriction. 3/8 Inch NPT Ports 1 Inch 2 Out. Holley 34 R 6657 B Fuel Pressure Regulator Fittings. 1 product rating. About this product. New (other) $54.65. Pre-owned. $28.65. Make an offer: Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. When the pressure exceeds 3psi the poppet opens and send the excess fuel back to the fuel pump (you can send it back to the tank if you want) and fuel continuously flows. The pics show the poppet and one plumbed into a SBC. BurntOutOldMechanic, lothiandon1940, mad mikey and 1 other person like this.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. Holley 512-1 - Holley Fuel Pressure Regulator Diaphragm Kits. Regulator Repair Parts, Diaphragm, Holley Pro-Jection, Gasoline, Kit. Part Number: HLY-512-1. Not Yet Reviewed. Estimated Ship Date: Monday 3/28/2022. Add To Cart. Compare.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. Product informationGet the best deals for holley fuel pressure regulator at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!Features. Available for carbureted and EFI fuel systems. Wide range of pressure options. Fixed and adjustable versions. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley 12-803 fuel pressure regulator features 3/8" NPT in/out ports. Features: - Adjustable fuel regulation from 4-1/2 to 9 psi - .220" (7/32") restriction - 3/8" NPT ports (1 in, 2 out) - Chrome Finish - Mounting bracket includedHere are 10 great Sniper EFI System installation tips from Holley's Tom Kise. Holley Technical Training Manager Tom Kise recently published a list of ten (800) 880-0960; Tech Support; EFI Pro Hangout; Login; Register; ... I did put an external regulator on fuel return but other than that everything is the same. Chris Myer: 08/20/21, 11:42:41 AM.Amazon.com: holley fuel pressure regulator 1-16 of 112 results for "holley fuel pressure regulator" RESULTS NEW HOLLEY SNIPER CARBURETED FUEL PRESSURE REGULATOR,CHROME,4.5-9 PSI.375 INCH NPT INLET & OUTLET,COMPATIBLE WITH GASOLINE 2 $5499 Get it Fri, Jun 3 - Mon, Jun 6 FREE Shipping More Buying Choices $45.14 (2 new offers)Still unable to adjust regulator at all. I replaced the 12-841 regulator with a 12-803 non-bypass regulator. I blocked one of the outlet ports on the 12-803 regulator and checked fuel flow - strong. I started the car turned the pump on and was able to adjust the outlet pressure to 7 psi at the carburetor inlet.where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN (68) 68 product ratings - Holley 12-803 Fuel Pressure Regulator-2 Port Adjustable- 4.5-9 PSI-Chrome Finish. $41.99. Free shipping. 76 sold. Holley 12-846 HP Billet EFI By Pass Fuel Pressure Regulator. 5 out of 5 stars (2) 2 product ratings - Holley 12-846 HP Billet EFI By Pass Fuel Pressure Regulator.where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN May 14, 2020 · Holley 12-807 Electric Fuel Pump Regulator Diaphragm Repair Kit. Contains two springs one for the high pressure regulator and the other is to service the low-pressure regulator for top performance. 90-day limited warranty. Use on gasoline applications only. Limited Warranty. The Holley diaphragm repair kit will help you regain the accuracy and ... HOLLEY Fuel pressure regulator spring for low pressure regulator for Holley regulator 12-804 1-4 psi. Additional information. Weight: 0.0625 lbs: Related products. Rebuild kit Barry Grant 2 port Regulator $ 28.00; FUEL PRESSURE REGULATOR 12-803 $ 24.99; FUEL PRESSURE REGULATOR ALCOHOL $ 27.99;I have been having some issues with the Holley pressure regulator too. The low pressure 12-804 (1-4psi) regulator looks exactly the same as the high pressure 12-803 (4.5-9psi) regulator.Jul 28, 2015 · A high-output fuel pump, typically pumps at pressures up to 14 psi with some going as high as 25 psi. These pressures overwhelm the needle and seat assembly in the fuel bowl. Here a typical inline regulator (such as Holley’s 12-803 unit) works. However, you can install a bypass regulator to improve control and increase pump life. Regulate Fuel System Pressure with Ease. Holley Die-Cast Fuel Pressure Regulators will precisely control the pressure from the fuel pump to the fuel distribution system. Each regulator is fully adjustable, comes pre-set (eliminating guesswork when installing), and is available in multiple options for EFI and carbureted applications. allowing the fuel pump to perform to its maximum. Holley offers standard in-line filters that can be used on the street. For the Pro-Series VOLUMAX fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car-where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN Amazon.com: holley fuel pressure regulator 1-16 of 112 results for "holley fuel pressure regulator" RESULTS NEW HOLLEY SNIPER CARBURETED FUEL PRESSURE REGULATOR,CHROME,4.5-9 PSI.375 INCH NPT INLET & OUTLET,COMPATIBLE WITH GASOLINE 2 $5499 Get it Fri, Jun 3 - Mon, Jun 6 FREE Shipping More Buying Choices $45.14 (2 new offers)allowing the fuel pump to perform to its maximum. Holley offers standard in-line filters that can be used on the street. For the Pro-Series VOLUMAX fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car- Plymouth Deluxe Holley Fuel Pressure Regulators in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. 1/8" NPT barb fitting for boost reference port included. Features: Die Cast aluminum construction 3/8" NPT Inlet, Outlet, and Return ports 1/8" NPT Gauge PortEach Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Adjustable Fuel Regulation From 1 To 4 PSI .220 Inch 7/32 Inch Restriction. 3/8 Inch NPT Ports 1 Inch 2 Out.Holley 12-879 Fuel Pressure Regulator $172 54 FREE Shipping Only 2 left in stock - order soon. Holley 12-752 Volumax Regulator Diaphragm 2 $20 46 FREE Shipping Only 15 left in stock - order soon. Holley Performance 12-880 Adjustable Billet By-Pass Fuel Regulator, Black (12880) 15 $148 95 FREE Shipping by Amazon Temporarily out of stock. The Holley 12-841 fuel pressure regulator is Comparable and interchangeable with popular Holley 12-803BP regulator!! Holley also has a NOTE of warning :nono: NOTE: These regulators are designed to work with a single carburetor installation. If two carburetors are used then two regulators will be required, one for each carburetor.The Holley Filter/Regulator has its own return. Plug the return on the Sniper. The Filter/Regulator will supply the 59.5 psi Sniper needs, and the plugged return on the Sniper will disable the regulator built into the Sniper. 07-18-2018, 10:47 AM #8 Danny Cabral Administrator Join Date Dec 2009 Location Connecticut Posts 31,319Holley Fuel Pressure Regulators 12-804. Fuel Pressure Regulator, Chrome Plated, 1-4 psi, Universal, Each. Part Number: HLY-12-804. ( 86 ) Estimated Ship Date: Today. $41.19. Add To Cart. This product is not eligible for promotional offers. where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN On the Holley 12-804 fuel pressure regulator, the factory preset is supposed to be 2.8 pounds - can anyone say is Holley usually pretty accurate on these presets? Second, you adjust this regulator by turning the hex screw on top - does anyone happen to know how many pounds one or more full turns would produce etc?Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports , Black. 4.5 out of 5 stars. 92. 18 offers from $136.95. Holley Carbureted By-Pass Regulator, Shiny. 4.3 out of 5 stars. 120. 41 offers from $98.02. Holley HOL 12-804 12-804 Fuel Pressure Regulator. Tom. Registered. Joined May 25, 2001. 323 Posts. #3 · Apr 29, 2002. small block chevys call for 5 to 7 psi if the pump pushes more it could cause rich condition if you want to use the hi pressure pump get a fuel pressure regulator they come in chrome also and you will be able to reduce the pressure and rich condition. H.This Holley universal low pressure fuel regulator is factory-set to 2.7 PSI, but is fully adjustable from 1 to 4 PSI. Use with standard pump only - not recommended for maximum pressure pumps. Fuel pressure regulator includes mounting bracket with 2 each self-tapping screws for regulator to bracket installation purposes and 3 screws for bracket to vehicle installation.Regulator has a 3/8" NPT ... Holley 1 to 4 PSI standard chrome fuel pressure regulator - Not legal for sale or use pollution controlled vehicle. $. 41. 49. Part # 12-804. SKU # 810127. Holley 12-879 Fuel Pressure Regulator 4-65 PSI 3/8 Inch NPT $173.95 Universal Fit, 4-65 Fuel Pressure Rating (psi), Black Ships Free ... MEAN_SBC. Veteran Member. Nov 24, 2003. 990. Amarillo TX USA. I've done some research on this, and it's a proven fact that vibration kills a fuel pressure regulator. Believe it or not, the best mounting point that I have found for a regulator is to just leave it hanging loose on the line. 1. 2.Still unable to adjust regulator at all. I replaced the 12-841 regulator with a 12-803 non-bypass regulator. I blocked one of the outlet ports on the 12-803 regulator and checked fuel flow - strong. I started the car turned the pump on and was able to adjust the outlet pressure to 7 psi at the carburetor inlet.Turn the screw out to lower the pressure. It's unlikely that anything's stuck. It's a diaphram with a spring. If you have it plumbed up "dead headed", lowering the pressure might not react very quickly. What I would do, is with the car off, (or electric pump off), turn the screw a good ways out. This ensures that it's set too low.FUEL PRESSURE GAUGE (S) WHEN ADJUSTING THE FUEL PRESSURE REGULATOR. NOTE: On carbureted systems, any change made in fuel pressure will change the fuel bowl float level requirements. A readjustment in fuel bowl levels will be required for proper operation of the fuel system. Technical Service: 1-866-464-6553 www.holley.com Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports , Black. 4.5 out of 5 stars. 92. 18 offers from $136.95. Holley Carbureted By-Pass Regulator, Shiny. 4.3 out of 5 stars. 120. 41 offers from $98.02. Holley HOL 12-804 12-804 Fuel Pressure Regulator. 2-PORT FUEL PRESSURE REGULATORS PART NO. 4207, 4207M and 4210 INSTALLATION INSTRUCTIONS FORM 1385 (REV. E) 01/12 GENERAL INFORMATION The 2-Port Regulator is designed to regulate fuel pressure between high pressure fuel pumps and Position the bracket over the two screw holes. Install theIncludes P/N 12-803 fuel pressure regulator; Provides constant fuel flow with no pulsation; Has externally accessible pressure relief valve (max 14 psi) ... Holley 110 GPH Blue Electric Fuel Pump With Regulator 12-802-1 $ 189.95. In Stock. Add to Cart. Newsletter. Subscribe.Jul 28, 2015 · A high-output fuel pump, typically pumps at pressures up to 14 psi with some going as high as 25 psi. These pressures overwhelm the needle and seat assembly in the fuel bowl. Here a typical inline regulator (such as Holley’s 12-803 unit) works. However, you can install a bypass regulator to improve control and increase pump life. Shop Fuel Pressure Regulators and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. ... Holley Fuel Pressure Regulator & Liquid Filled Gauge Kit 4.5-9PSI $56.69 $65.35 Universal Fit, 4.5-9 Fuel Pressure Rating (psi) On Sale Fuel Pressure Rating ...The Holley Filter/Regulator has its own return. Plug the return on the Sniper. The Filter/Regulator will supply the 59.5 psi Sniper needs, and the plugged return on the Sniper will disable the regulator built into the Sniper. 07-18-2018, 10:47 AM #8 Danny Cabral Administrator Join Date Dec 2009 Location Connecticut Posts 31,31911,753 Posts. #4 · Aug 1, 2011. Depends on who you talk to. I ran a holley blue pump on my 540 hp 427 with the small regulator without a problem. My dad ran 1 blue pump on his approx 700 hp 427 going 9.60's in a 2800 lbs car with the same regulator. I did put a second pump on my car with the 427 and saw zero gain.And damn my exhaust runs very close to the fuel pick up!" For intank pump, there many different options to choose from. The most common are: Tanks Inc View attachment 783406 Aero Equip View attachment 783405 Holley Sniper View attachment 783404 Holley EFI. View attachment 783403 I went with the Holley 12-136, 255 LPH, with the HydroMat.During this process I discovered that the bottom seal on my Holley 12-454-11 mechanical fule pump seems to be leaking oil. Its not a huge leak but it definatly leaks oil from this area. No leaks from the mounting point on the block, no leak from the valve cover down the block. I cant think that this is normal.HOLLEY Fuel pressure regulator spring for low pressure regulator for Holley regulator 12-804 1-4 psi. Additional information. Weight: 0.0625 lbs: Related products. Rebuild kit Barry Grant 2 port Regulator $ 28.00; FUEL PRESSURE REGULATOR 12-803 $ 24.99; FUEL PRESSURE REGULATOR ALCOHOL $ 27.99;The fuel pressure regulator brackets mount to the passenger side of a 4-barrel carburetor to give you easy plumbing options by reducing the distance to the fuel bowls. The billet brackets will clear double-pumper throttle linkage, electric and manual chokes, and other vacuum ports. $90 obo, am open to some trades.Holley Fuel Pressure Regulator Diaphragm Kit ; For Regulator 510-12-803BP; View Details. $36.91 Estimated to ship direct from manufacturer in 24hrs Lowest Price Guarantee. Add To Cart. Holley Fuel Pressure Regulator 2-Port Bypass. Holley 12-803BP Part Number: 510-12-803BP. Holley 12-803BPHOLLEY Fuel pressure regulator spring for low pressure regulator for Holley regulator 12-804 1-4 psi. Additional information. Weight: 0.0625 lbs: Related products. Rebuild kit Barry Grant 2 port Regulator $ 28.00; FUEL PRESSURE REGULATOR 12-803 $ 24.99; FUEL PRESSURE REGULATOR ALCOHOL $ 27.99;The Holley 12-704 fuel pressure regulator features 1/2" NPT in/out ports. • Adjustable fuel regulation from 4-1/2 to 9 psi • One 1/2" NPT inlet and two 1/2" NPT outlet ports • .437" (7/16") restriction • Includes mounting hardware and an style fittings • Alcohol compatible; Brand: Holley.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Adjustable Fuel Regulation From 1 To 4 PSI .220 Inch 7/32 Inch Restriction. 3/8 Inch NPT Ports 1 Inch 2 Out.Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... We suggest following our recommendations so you can correctly match a regulator to your fuel pump. Check out Holley's fuel ...Holley VR Series Fuel Pressure Regulator. VR Series Fuel Pressure Regulator. 4-Port. Adjustable, High Pressure 40 To 100 PSI. Boost Reference 1:1. 10 AN O-Ring Inlet And Return With (4) 8 AN O-Ring Outlets. View Details. $329.95. Estimated to ship direct from manufacturer on 07/12/22, pending manufacturer availability.Holley. Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or drivability problems. 3/8 inch NPT ports. Allows adjustment of fuel pressure to compensate for high flow fuel pumps. 9974344.Holley VR Series Fuel Pressure Regulator. VR Series Fuel Pressure Regulator. 4-Port. Adjustable, High Pressure 40 To 100 PSI. Boost Reference 1:1. 10 AN O-Ring Inlet And Return With (4) 8 AN O-Ring Outlets. View Details. $329.95. Estimated to ship direct from manufacturer on 07/12/22, pending manufacturer availability.Holley HOL 12-804 12-804 Fuel Pressure Regulator 409 $39.99 $ 39 . 99 JEGS Fuel Pressure Regulator | 4.5 to 9 PSI | Gasoline Only | 3/8 Inch Inlet & Outlet Ports | Chrome | Includes Mounting Bracket 55 Holley HOL 12-804 12-804 Fuel Pressure Regulator 409 $39.99 $ 39 . 99 JEGS Fuel Pressure Regulator | 4.5 to 9 PSI | Gasoline Only | 3/8 Inch Inlet & Outlet Ports | Chrome | Includes Mounting Bracket 55 Universal Fit, 4.5-9 Fuel Pressure Rating (psi), Steel. Can be adjusted from 4-1/2 to 9 PSI to regulate fuel pressure; Regulator has a 3/8" NPT gauge port; Fuel pump regulator works well with Holley high performance fuel pumps; Engineered for various types of carburetors; Regulator can be used with up to 15 psi inlet pressure; See more detailsPart of Holley's complete line of fuel system products, Holley HP billet fuel pressure regulators are available in a variety of configurations for carbureted or fuel injected engines. Some versions are even adaptable to either carburetors or EFI. They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator.Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... We suggest following our recommendations so you can correctly match a regulator to your fuel pump. Check out Holley's fuel ...where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN 1968 Chevrolet C10 Pickup RWD - Fuel Pressure Regulators (Universal) Filter By. Brands Edelbrock ...item 7 Holley 12-804 Chrome Carbureted Fuel Pressure Regulator 1-4psi 3/8" NPT Ports 7 -Holley 12-804 Chrome Carbureted Fuel Pressure Regulator 1-4psi 3/8" NPT Ports. $37.95. Almost gone Free shipping. See all 67. - All listings for this product.Adjusting Holley Pressure Regulator. Discussion in 'The Hokey Ass Message Board' started by jonnyquest, Jun 6, 2007. Joined: Nov 30, 2006 ... Profile Page. jonnyquest. Member. from Nebraska. Recently, I put on a Holley 12-501 fuel pressure regulator (one inlet, two outlets, for carbureted vehicles). It came from the factory with a grease pen ...If you're running an electric fuel pump, chances are you're going to need a regulator to control the fuel pressure. Available in polished Chrome or Black e-c...Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or drivability problems. 3/8 inch NPT ports. Allows adjustment of fuel pressure to compensate for high flow fuel pumps. Learn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... We suggest following our recommendations so you can correctly match a regulator to your fuel pump. Check out Holley's fuel ...A high-output fuel pump, typically pumps at pressures up to 14 psi with some going as high as 25 psi. These pressures overwhelm the needle and seat assembly in the fuel bowl. Here a typical inline regulator (such as Holley's 12-803 unit) works. However, you can install a bypass regulator to improve control and increase pump life.To avoid poor gas mileage or trouble starting your car, replace a failing fuel pump with this Sniper Fuel Pump (80000101) and Regulator from Holley. The Fuel Pump flows at 110 gallons per hour, supporting your carbureted engine with the proper supply of gasoline. Features and Benefits: - 110 GPH Flow Rate - 3/8" NPT Inlet and OutletsShop for Holley 1 to 4 PSI standard chrome fuel pressure regulator - Not legal for sale or use pollution controlled vehicle with confidence at AutoZone.com. Parts are just part of what we do. ... Shop All Holley. Holley810127. Part # 12-804. SKU # 810127. Price Not Available. Free In-Store or Curbside Pick Up. SELECT STORE. Home Delivery ...All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. The Holley 12-803BP fuel pressure regulator features 3/8" NPT in/out ports and a 3/8" NPT return port. Features: Adjustable fuel regulation from 4-1/2 to 9 psi; Preset to 7psi; 3/8” NPT ports (1 in, 1 out, 1 bypass or return) The ultimate nitrous regulator is the Holley fuel pressure regulator!! 3/8″ NPT ports. .220″ (7/32″) restriction. High Pressure (4-1/2-9 PSI)Includes mounting bracket. Chrome Finish. Some items may be slightly different in color than what shows in the picture. Weight. All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Adjustable Fuel Regulation From 4-1/2 To 9 PSI. One 1/2 Inch NPT Inlet and Two 1/ NPT Outlet Ports .437 Inch 7/16 Inch Restriction. Includes Mounting Hardware and an Style Fittings.Holley Sniper EFI 19-174 Remote Mount Vent Valve for EFI Fuel Tanks. ... Holley Carb Carburetor Braided Fuel Line Pressure Regulator Kit 4150 6AN. New New New. $109.99. This kit illustrates Holley's "polished" throttle body unit.Prices on the TBI systems range from around $2,100 for no transmission control module to almost $3,000 for systems with. https://www.patreon.com ...The Holley 12-704 fuel pressure regulator features 1/2" NPT in/out ports. • Adjustable fuel regulation from 4-1/2 to 9 psi • One 1/2" NPT inlet and two 1/2" NPT outlet ports • .437" (7/16") restriction • Includes mounting hardware and an style fittings • Alcohol compatible; Brand: Holley.Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports.Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. 1/8" NPT barb fitting for boost reference port included. Features: Die Cast aluminum construction 3/8" NPT Inlet, Outlet, and Return ports 1/8" NPT Gauge PortSep 03, 2020 · Fuel Filter/Regulator. Hello all. Working on my Sniper install on a SBC 350 with mild cam. This will not be a drag racer so not running any big HP numbers. Question is, I want to use a filter/regulator rather than running a return line all the way back to the tank. I see several on the website, which model would work best without going ... May 14, 2020 · Holley 12-807 Electric Fuel Pump Regulator Diaphragm Repair Kit. Contains two springs one for the high pressure regulator and the other is to service the low-pressure regulator for top performance. 90-day limited warranty. Use on gasoline applications only. Limited Warranty. The Holley diaphragm repair kit will help you regain the accuracy and ... Jul 28, 2015 · A high-output fuel pump, typically pumps at pressures up to 14 psi with some going as high as 25 psi. These pressures overwhelm the needle and seat assembly in the fuel bowl. Here a typical inline regulator (such as Holley’s 12-803 unit) works. However, you can install a bypass regulator to improve control and increase pump life. The sniper does not report fuel pressure. The software is used for other Holley FI products as well which may have the ability to read fuel pressure. This item: Holley Sniper 30 Amp Fuel Pump Relay Kit $131.99 Rick's Camaro - PowerBraid Wiring Sleeve, 1/8", 1967-2002 $28.99 Rick's Camaro - Painless Wiring Sleeve Installation Tools $27.99.Shop for Holley 1 to 4 PSI standard chrome fuel pressure regulator - Not legal for sale or use pollution controlled vehicle with confidence at AutoZone.com. Parts are just part of what we do. ... Shop All Holley. Holley810127. Part # 12-804. SKU # 810127. Price Not Available. Free In-Store or Curbside Pick Up. SELECT STORE. Home Delivery ...Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. 1/8" NPT barb fitting for boost reference port included. Features: Die Cast aluminum construction 3/8" NPT Inlet, Outlet, and Return ports 1/8" NPT Gauge PortFuelab's John Light does a masterful job hitting on some important details in this article on location of a fuel pressure regulator. The basic purpose of a fuel pressure regulator is to ensure there's enough pressure built up to support the system, whether that ends with a carburetor or fuel injection. The regulator keeps the fueling ...Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. item 3 HOLLEY 12-887 BP REG, 6 PSI (BLACK E-COAT) Black Die Cast Fuel RegulatorHOLLEY 12-887 BP REG, 6 PSI (BLACK E-COAT) Black Die Cast Fuel Regulator. $74.95. Free shipping. Holley 1 to 4 PSI standard chrome fuel pressure regulator - Not legal for sale or use pollution controlled vehicle Part # 12-804 SKU # 810127 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Est. Delivery Feb. 16-17 ADD TO CARTLearn how to install a bypass and deadhead style fuel pressure regulator. We cover how these regulators work with a carburetor and advantages of each style. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... We suggest following our recommendations so you can correctly match a regulator to your fuel pump. Check out Holley's fuel ...I walk through rebuilding a Holley 12-804 fuel pressure regulator hoping to get it to actually reduce fuel pressure. The rebuild went fine but the piece of j... Fuel pressure is very critical to these early carburetors. Early Ford Motor Co. shop bulletins and manuals state the Ford/Holley/Chandler Grove and Stromberg carburetors are all designed to operate at 2 1/2 psi. Yet the fuel pump delivery pressure spec's call for 3 1/2 psi ! I don't understand the thinking behind this.allowing the fuel pump to perform to its maximum. Holley offers standard in-line filters that can be used on the street. For the Pro-Series VOLUMAX fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car- Product Options. Choose Regulator: Select Choose Regulator Holley Low Pres. Red Boost Sensative - Turbo. Quantity: * Whole number only. Holley Low Pressure Fuel Regulator is used with the Holley Red Pump to allow you to bring down the fuel pressure enough to run single or dual carbs. Also available Boost Sensative for Turbo Applications.where the fuel lines are also kept away from heat and moving parts. 2. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Note that the Volumax™ regulators are supplied with AN style fuel fittings. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN The fuel pressure regulator brackets mount to the passenger side of a 4-barrel carburetor to give you easy plumbing options by reducing the distance to the fuel bowls. The billet brackets will clear double-pumper throttle linkage, electric and manual chokes, and other vacuum ports. $90 obo, am open to some trades.A bypass style regulator allows for quieter pump operation, longer pump life and more consistent fuel pressure. Holley 2-Port Bypass Pressure Regulator This regulator is factory adjusted to 7 PSI, features 3/8'' NPT ports (1 inlet, 1 outlet, 1 bypass or return), a return line will be required back to the fuel tank for proper operation. Regulate Fuel System Pressure with Ease. Holley Die-Cast Fuel Pressure Regulators will precisely control the pressure from the fuel pump to the fuel distribution system. Each regulator is fully adjustable, comes pre-set (eliminating guesswork when installing), and is available in multiple options for EFI and carbureted applications. The ultimate nitrous regulator is the Holley fuel pressure regulator!! 3/8″ NPT ports. .220″ (7/32″) restriction. High Pressure (4-1/2-9 PSI)Includes mounting bracket. Chrome Finish. Some items may be slightly different in color than what shows in the picture. Weight.Holley Adjustable Fuel Injection Regulators 512-502. Holley Adjustable Fuel Injection Regulators 512-502. Fuel Pressure Regulator, 35-65 psi, Chevy, Pontiac, 5.7L, Each. Part Number: HLY-512-502. 3.0 out of 5 stars. Estimated Ship Date: Today. Free Shipping; $251.95.Part of Holley's complete line of fuel system products, Holley HP billet fuel pressure regulators are available in a variety of configurations for carbureted or fuel injected engines. Some versions are even adaptable to either carburetors or EFI. They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator.In this video I describe how I modify a Holley 12-803 fuel pressure regulator to smooth out internal hard edges. The maximum recommended fuel pressure is 3.5 psi, and this regulator is the correct one. It looks identical to Holley’s standard 4-9 psi regulator, but it is for applications requiring 0-4 psi. This regulator is the right choice for use with all Weber carburetion systems. A bypass style regulator allows for quieter pump operation, longer pump life and more consistent fuel pressure. Holley 2-Port Bypass Pressure Regulator This regulator is factory adjusted to 7 PSI, features 3/8'' NPT ports (1 inlet, 1 outlet, 1 bypass or return), a return line will be required back to the fuel tank for proper operation.Billet Aluminum Fuel Regulator Bracket. Fits 4500 Style Carburetors. Works with Holley Style Cast and Billet Fuel Pressure Regulators. Mounts on Passenger Side Carb Studs. Billet Aluminum. Clear Anodized Finish. View Details. $50.01. Estimated to ship direct from manufacturer on 07/06/22, pending manufacturer availability. This listing includes the following: PRP 3000 Fuel Pressure Regulator with hardware PartsForSpeed 0-15 psi Fuel Pressure Gauge Fuel Pressure Regulator Bracket Custom pre-assembled carb feed lines with swivel fittings -6AN to 7/8"-20 carburetor inlet adapter fittings ** Does not include carburetor ** Regulators need to be mounted as close as possible to the carburetor to counter the effects of ...The fuel system consists of a holley 4781c and what really burns my a$$ is the $280 dollar fuel pump that was suppose to be pre-set at 7.5 psi, the holley 12-454-25. ... That pump was twice the cost of a regular pump that required regulator. If I knew that holley was wrong about the "no regulator required" on their website then I wouldn't have ...allowing the fuel pump to perform to its maximum. Holley offers standard in-line filters that can be used on the street. For the Pro-Series VOLUMAX fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car- All Holley regulators are pre-set at the factory so there is no guesswork when first installing the regulator. Adjustable Fuel Regulation From 4-1/2 To 9 PSI. One 1/2 Inch NPT Inlet and Two 1/ NPT Outlet Ports .437 Inch 7/16 Inch Restriction. Includes Mounting Hardware and an Style Fittings.A bypass style regulator allows for quieter pump operation, longer pump life and more consistent fuel pressure. Holley 2-Port Bypass Pressure Regulator This regulator is factory adjusted to 7 PSI, features 3/8'' NPT ports (1 inlet, 1 outlet, 1 bypass or return), a return line will be required back to the fuel tank for proper operation. Holley Carburetor Bypass Style Fuel Pressure Regulators 12-887. Fuel Pressure Regulator, Carburetor Bypass Style, Return, 4.5-9 psi, Black, One 3/8 in. NPT Female Inlet, One 3/8 in. NPT Female Outlet, Each. Part Number: HLY-12-887. ( 56 ) Estimated Ship Date: Aug 17, 2022 (if ordered today) $65.68. Add To Cart. 2-PORT FUEL PRESSURE REGULATORS PART NO. 4207, 4207M and 4210 INSTALLATION INSTRUCTIONS FORM 1385 (REV. E) 01/12 GENERAL INFORMATION The 2-Port Regulator is designed to regulate fuel pressure between high pressure fuel pumps and Position the bracket over the two screw holes. Install theTom. Registered. Joined May 25, 2001. 323 Posts. #3 · Apr 29, 2002. small block chevys call for 5 to 7 psi if the pump pushes more it could cause rich condition if you want to use the hi pressure pump get a fuel pressure regulator they come in chrome also and you will be able to reduce the pressure and rich condition. H.Part of Holley's complete line of fuel system products, Holley HP billet fuel pressure regulators are available in a variety of configurations for carbureted or fuel injected engines. Some versions are even adaptable to either carburetors or EFI. They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator.The Holley 12-704 fuel pressure regulator features 1/2" NPT in/out ports. • Adjustable fuel regulation from 4-1/2 to 9 psi • One 1/2" NPT inlet and two 1/2" NPT outlet ports • .437" (7/16") restriction • Includes mounting hardware and an style fittings • Alcohol compatible; Brand: Holley.2-PORT FUEL PRESSURE REGULATORS PART NO. 4207, 4207M and 4210 INSTALLATION INSTRUCTIONS FORM 1385 (REV. E) 01/12 GENERAL INFORMATION The 2-Port Regulator is designed to regulate fuel pressure between high pressure fuel pumps and Position the bracket over the two screw holes. Install theHolley 1 to 4 PSI standard chrome fuel pressure regulator - Not legal for sale or use pollution controlled vehicle. $. 41. 49. Part # 12-804. SKU # 810127. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. Holley 12-841 4.5-9 PSI Adjustable Bypass Billet Fuel Pressure Regulator with 3/8" NTP Ports , Black. 4.5 out of 5 stars. 92. 18 offers from $136.95. Holley Carbureted By-Pass Regulator, Shiny. 4.3 out of 5 stars. 120. 41 offers from $98.02. Holley HOL 12-804 12-804 Fuel Pressure Regulator. NEW HOLLEY DIE CAST EFI BY PASS STYLE FUEL PRESSURE REGULATOR,BLACK,60 PSI.375" NPT INLET & OUTLET SIZE,COMPATIBLE WITH GASOLINE & DIESEL ENGINE. $99.99. cleaned my fuel filter the other day and now seeing .50-1lbs higher fluctuations in press from were it's supposed to be at 6psi .the pressure creep is only noticed @ idle and will see normal pressure when throttle input is seen . this is a standard chrome holley regulator with one side being used for fuel press readings and the other is to feed the carb with a 8AN line then to a 8AN fuel log ...Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. Holley Fuel Pressure Regulator Gauge Kit (1-4 PSi / Carb Only) If you are running a Weber carburetor on your Toyota truck, this kit is a must-have and a great way to keep your fuel system running right. Weber carbs work best in the 2.5-3psi range. The ultimate nitrous regulator is the Holley fuel pressure regulator!! 3/8″ NPT ports. .220″ (7/32″) restriction. High Pressure (4-1/2-9 PSI)Includes mounting bracket. Chrome Finish. Some items may be slightly different in color than what shows in the picture. Weight. Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. 1/8" NPT barb fitting for boost reference port included. Features: Die Cast aluminum construction 3/8" NPT Inlet, Outlet, and Return ports 1/8" NPT Gauge PortThe Holley 12-803BP fuel pressure regulator features 3/8" NPT in/out ports and a 3/8" NPT return port. Features: Adjustable fuel regulation from 4-1/2 to 9 psi. Preset to 7psi. 3/8" NPT ports (1 in, 1 out, 1 bypass or return) Used in systems with a return line back to the fuel tank. Quieter fuel pump operation. Designed only for carburetor use.To avoid poor gas mileage or trouble starting your car, replace a failing fuel pump with this Sniper Fuel Pump (80000101) and Regulator from Holley. The Fuel Pump flows at 110 gallons per hour, supporting your carbureted engine with the proper supply of gasoline. Features and Benefits: - 110 GPH Flow Rate - 3/8" NPT Inlet and OutletsOn the Holley 12-804 fuel pressure regulator, the factory preset is supposed to be 2.8 pounds - can anyone say is Holley usually pretty accurate on these presets? Second, you adjust this regulator by turning the hex screw on top - does anyone happen to know how many pounds one or more full turns would produce etc?Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or drivability problems. 3/8 inch NPT ports. Allows adjustment of fuel pressure to compensate for high flow fuel pumps. holley $749.95 Part# 12-350 Overview If you are adding nitrous or boost to your 2010-2015 Camaro race car, Holley has the fuel pump upgrades for you! The fuel pump module design starts with a billet pump flange assembly and connects it to dual 340 or 450 LPH fuel pumps for maximum fuel delivery of gasoline or E85.holley $749.95 Part# 12-350 Overview If you are adding nitrous or boost to your 2010-2015 Camaro race car, Holley has the fuel pump upgrades for you! The fuel pump module design starts with a billet pump flange assembly and connects it to dual 340 or 450 LPH fuel pumps for maximum fuel delivery of gasoline or E85. harley davidson seatsapple touch barautotrader vancouver bcjack box games