Holley fuel pump and regulator. video UltraPRO Terminator X Max .

Holley fuel pump and regulator Featuring a pre-calibrated fuel-level fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. The 340 Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. LS Swap Radiators. Twice now I've had problems with the Holley fuel pumps failing. Fuel pump regulator works well with Holley high performance fuel pumps. video UltraPRO Terminator X Max Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. This Holley kit is intended primarily for those applications running an electric pump. Holley Collection; Shirts; Also in Apparel & Collectibles. The included 12-882 regulator features a die cast aluminum body and a chrome top for corrosion resistance Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. In addition, 3 Mr. The billet top Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. All four models of the pump are compatible with gasoline or E85 and are designed for applications requiring more fuel flow while utilizing the factory O. They come with 3/8" NPT inlets and outlets & a 4 amp maximum draw. You could draw your system fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. The long wire runs in these kinds of installations can sometimes result in a voltage drop at the electric pump. Featuring brushless pump Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Low pressure electric fuel pumps like Holley’s classic Red vertical pump are designed to produce sufficient fuel pressure to feed a mild carbureted application without the need for a regulator. Holley Days - Big Savings! Motor Life Events Community Support. The billet top Holley Sniper's 3. Jeremy Stoermer. Holley Fuel Cell EFI Pump Modules with a VR Series Brushless Fuel Pump. These drop in modules come with one controller and harness to give you VR fuel pump power inside your fuel cell. My problem is, when I go out in the morning while the engine is cold, turn on the key to get the fuel pump running, my fuel pressure is 7 PSI. I start the engine and fuel pressure goes to 10. They are precision machined from 6061-T6 billet aluminum for strength and durability. Categories / Engine Swap Parts; Fuel Pump Regulator and Filter. The bypass design allows you to run one inlet with one outlet to the engine, and a return outlet back to the tank. Fuel pumps don't produce pressure, they only flow volume. It becomes a flow/volume issue with a big fuel pump: https: Holley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. Holley EFI fuel kits are the perfect addition to your Terminator or Holley EFI kit. This I've got a Holley 750 double pumper carb with a 110 GPH "Blue" fuel pump and a 12-803BP regulator. LS Throttle Bodies. Brands; ACCEL; DeWitts; Holley When converting your fuel system to a return style EFI setup, the biggest challenge can be plumbing the fuel lines. LS Gaskets. Banners. Clocks. All four of these options are compatible with gasoline and E85 and come pre-installed with new level and tank pressure sensors as well as provisions to connect to the factory EVAP system Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! Perhaps we should start by stating that not all fuel pumps – either mechanical or electric - require a pressure regulator. Hitch Cover. EFI fuel pumps have a wide range of psi capability; you set the exact pressure you need/want. Skip to main content. The billet top Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! Holley Days - Big Savings! Motor Life Events Community Support. Back to holley Complete EFI Fuel Pump Buyers Guide. LS Holley Fuel Cell EFI Pump Modules with dual VR Series Brushless Fuel Pumps. Holley Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. Drinkware. I figured a new one would at least temporarily improve the situation. Motorcycle and Powersports. com FREE DELIVERY possible on A popular and inexpensive combination is Holley’s carbureted blue fuel pump sold with its matched deadhead regulator. Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. Need to feed some serious horsepower? Have a nitrous or forced induction powerplant that also sees street duty? Holley's Dominator™ in-line fuel pumps are the answer! The patent pending twin pump design allows you to use one pump for cruising and both pumps when you activate the nitrous switch or start building boost! By staging the second pump, you eliminate the Updating your racing fuel system to EFI is so simple! Sniper is introducing their latest Diecast Fuel Cell EFI Pump Modules. It is a gravity fed vane/rotor type high volume low pressure pump designed for street/strip applications. 03/03/2021. Fuel Pump Regulator and Filter; Dress Up; LS Engine Components; Plumbing; Ls Tools; LS Swap Systems; LS Exhaust; Engine And Transmission Mounts; Ls Swap Radiators; Oil Pans; Holley; FUEL PUMPS REGULATORS AND FILTERS; REGULATORS; EFI REGULATORS; EFI REGULATORS. View as Grid List. Our universal AEM FPR is tapped to accept a -6 AN, or 9/16"x18 fittings and includes a 1/8 NPT This precision adjustable fuel metering regulator is the ultimate fuel pressure control unit designed to work on all naturally aspirated EFI, turbo and supercharged applications like vehicles that run in the Pro Street, Pro Import and Outlaw classes. They are a direct replacement that fits your factory fuel tank so you don't have to guess when it comes to something as important to your project as the fuel system. If the fuel pump is putting out more than 8 PSI, a regulator should be used to keep the Pressure Regulator These adjustable fuel pressure regulators from Holley can be adjusted from 4-1/2 to 9 PSI to regulate fuel pressure for various types of carburetors. In addition, 3- 3/8" NPT to -6 AN fittings, Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! If you are looking to make some serious power with your 1998-2002 4th Gen F-body, the Holley modules feature billet pump flanges that connect to either single or dual 340 or 450 LPH pumps. The twin pump manifold utilizes -10 AN male inlet and -8 AN male outlet connections for easy installation on new applications and for quick replacement of existing competitor fuel pumps. Where is your fuel pressure regulator? The basic Sniper has an internal regulator. LS Valve Covers & Engine Appearance. Headwear. 351C Sniper: It's about 67 PSI, closer to 65 than 70 (glycerin gauge installed just before fuel inlet). The pumps below do not have an internal bypass. 10 min read Video. Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. In 2015, Holley has raised the bar again with the introduction of the VR1 and VR2 Brushless in-line fuel pumps. 12-804 Carbureted Fuel Regulator 1 to 4 PSI 3/8” NPT Ports . '92 Ford Mustang GT: 385"/6. 99. Holley Video Team. The billet top Danny Cabral: I did replace the internal regulator and am getting the same PSI. E. 5V Holley Recommendations for Peak Performance Holley Recommendations for Peak Performance Max HP* Pump Fitting Size Minimum Recommended Line Size Fuel Filter Individual systems will vary based on fuel system design, regulator type, fuel cell Buy Holley 12-802-1 110 GPH Blue® Electric Fuel Pump With Regulator: Electric Fuel Pumps - Amazon. Originally Posted by Danny Cabral From Aeromotive: (FAQs - EFI Fuel Pressure Regulators): "Be careful using a factory OEM style filter-regulator, like those used in the Corvette, Holley has raised the bar again with the introduction of the VR1 Brushless Fuel Pump Quick Kits. Featuring brushless pump technology and a twin screw rotor design, the VR1 and VR2 in-line fuel pumps are capable of high pressures and flows while maintaining a low amperage Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines. For example, at 80 PSI the standard 255 lph pump will flow around 132 LVOUP Manual Adjustable 1-5 PSI Fuel Pressure Regulator Carburetor Carb Fuel Pump Kit with 0-15 PSI Pressure Gauge and Fuel Block 91. Models for both 6 and 12-bolt fuel cells. Categories; New & Hot Products; Engine Swap Parts. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed in Holley performance car-buretors can satisfactorily control fuel pressure up to about 8 PSI. 5V Rated PSI and 13. Originally Posted by Danny Cabral I wouldn't use a big 340 or larger LPH fuel pump with the little Sniper fuel pressure regulator. They feature a black bright dip anodized body and a clear bright dip anodized top for corrosion resistance and good looks. Overall, a Holley fuel regulator plays a crucial role in maintaining consistent fuel pressure, ensuring optimal fuel delivery to the carburetor. Backpacks; Banners; Clocks; Decals; Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; Cataclean - Fuel and Exhaust System Cleaner. Now you can convert your factory tank or fuel cell to an in-tank EFI fuel system quickly This high performance electric fuel pump has a free flow rate of 105 GPH (gallons per hour) with a maximum pressure of 14 psi (pounds per square inch). If the fuel pump is putting out more than 8 PSI, a regulator sh ould be used to Holley mechanical fuel pumps range from 80 GPH to 225 GPH in many various applications to meet the fuel demands of most engines. 5 gpm (gallons per minute) fuel pump is designed for high performance naturally aspirated and forced induction EFI vehicles. 5 psi and can deliver 33 GPH. Decals. Backpacks. Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new. Fuel Pumps Regulators and Filters; Also in Air & Fuel Delivery. The regulator contains 3/8" NPT in/out ports, a 1/8" NPT gauge port. Available with OEM-style or -6AN connections, they feature an internal regulator set at 58 psi, along with an integrated 5 nominal micron rated filter. Holley P/N 12-753 can be used with any electric fuel pump, as long as the current load When switching your 1978-1987 Chevy El Camino and GMC Caballero to EFI, you will not find an easier way to upgrade your fuel system than our OE Style 350 LPH EFI Fuel Pump Modules. 312” (5/16”) INTRODUCTION: Congratulations on your purchase of the Holley Fuel Pump or Holley He's a Holley EFI parts professional, Holley EFI Dealer & fuel pump/fuel system specialist. Categories. They are self-priming and self-regulating at 9-11. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. Holley EFI fuel filter Holley set the bar in 2011 with the release of the HP and Dominator in-line fuel pumps. Installation of this kit is good insurance that the fuel pump will be receiving full voltage from the battery. All four of these options are compatible with gasoline and E85 and come pre-installed with new level and tank pressure sensors as well as provisions to connect to the factory EVAP system Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. 5 PSI. The 12-767 kit includes a fuel pump, harness, and a 2 -step controller. While the name includes EFI, these modules can be used as an upgrade for carbureted systems as well View Fuel Pumps Regulators And Filters Articles. Items 1-12 of 20. lines and mounting brackets. Air Cleaners; Air Scoops; Cold Air Intake; Holley Collection; Shirts; Also in Apparel & Collectibles. This is a 2 port 1:1 boost compensating return style regulator that is adjustable from 15-65 PSI + boost reference and is designed to be used Holley fuel pressure regulators are designed to precisely control the fuel pressure from the fuel pump to the carburetor. Fuel Pump Regulator and Filter. Just where I want it. Brands; ACCEL; DeWitts; Holley Looking to upgrade the fuel system in your 1978-1987 G-Body? Take out the guesswork with Holley's new G-Body Fuel System Kit! This 1978-87 G-body Fuel System Kit was designed as a direct replacement for your factory fuel system. Adjustable jet provides tuning of low RPM fuel pressure. Includes everything required including fuel pump module, fuel level sender, fuel filters, fuel line, fittings, hardware, and all new wiring HOLLEY FUEL SYSTEM SELECTION CHART Part Number Compatible up to 18. While the name includes EFI, these This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Holley® Billet Fuel Pressure Regulators are part of a complete line of fuel system products from Holley®. Shirts. The fuel pressure regulator sets the pressure. fuel pumps, Holley recommends using either Holley P /N 162-514 or 162-515 VoluMAX filters. These drop in modules come with two controllers and harnesses to give you VR fuel pump power inside your fuel cell. The Holley 12-843 fuel pressure regulator features (1) -10 AN O Regulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI regulators. Click here to enter our Small Block Ford Engine Giveaway! Motor Life Events Community Support. Backpacks; Banners; Clocks; Decals; Fuel Pump Regulator and Filter. A bypass style regulator and new holley chrome carbureted fuel pressure regulator,two 3/8" npt ports,adjustable fuel regulator,4. The 12-270 supports over 1000 hp Compatible with Are you interested in an EFI retrofit kit, but just can't get past the complication of the fuel system? Holley is proud to introduce their Universal In-Tank Retrofit Fuel Modules! Available in return and returnless versions, you can rest assured Holley has the solution you need for your EFI fuel pump woes. The Holley 12-841 fuel pressure regulator features 3/8" NPT in/out 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 Sniper EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications. Compatible with all types of fuels and The Holley line of high output in-tank electric fuel pumps is available in flow ratings of 190 and 255 liters of fuel per hour. View All The new Sniper 340 LPH E85 fuel pump is a high output, in tank electric fuel pump that fits the most popular EFI applications. The regulator contains 8 AN in/out ports, a 6 AN return port, a 1/8" NPT gauge port, and a 1/8" NPT vacuum port for Boost Reference (1:1). They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your Terminator EFI System. Skip to; Main content; Keyboard ‎Holley 12-802-1 110 GPH Blue® Electric Fuel Pump With Regulator : Color ‎No Color : Suggested Users ‎unisex-adult : Number of Items ‎1 Designed for high pressure EFI systems with in-tank or in-line high output pumps. Too much fuel pressure for a given needle and seat assembly can overload the needle and seat and may cause flooding or drivability problems. The pump can be regulated to support carbureted systems as well. Holley Collection. The included 12-887 regulator features a die cast aluminum body and a black finish for corrosion resistance and good looks. The fuel pump depth is fully adjustable from . A pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included. If the fuel pump is putting out more than 8 PSI, a regulator should be used to keep the Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; LS Tools; LS Valve Covers & Engine Appearance; LS and LT Accessory Drives; LS and LT Drivetrain; LS and LT Ignition Products; LS and LT Nitrous Systems; LS and LT Swap Oil Pans; View All ‌ Brands. May God's grace bless you in the Lord Jesus Christ. Available in 125-, 155-, and 175 GPH models, these pumps flow more than enough fuel to support between 400-750 hp. Gasket 3/8" NPT to -6 AN fittings, a barbed fitting for the Updating your racing fuel system to EFI is so simple! Holley is excited to introduce our Holley Fuel Cell EFI Pump Modules. Includes diaphragm assembly, gaskets and Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! Ensure the fuel pressure regulator hasn't failed. Holley continues to be the leader in fuel system development to make your life easier! The new Holley EFI Filter If you are looking to make some serious power with your 1998-2002 4th Gen F-body, the Holley modules feature billet pump flanges that connect to either single or dual 340 or 450 LPH pumps. Add a High-Pressure, In-Tank Fuel Pump To Your Stock Gas Tank With Holley Retro-Fit Fuel Modules. The included 12-846 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a It takes fuel to make power. 312” (5/16”) INTRODUCTION: Congratulations on your purchase of the Holley Fuel Pump or Holley NOS offers various CO2 Regulators, Fuel Pumps, Fuel Regulators and Accessories you need for your nitrous system. Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; LS Tools; LS Valve Covers & Engine Appearance; LS and LT Holley offers a wide selection of both mechanical and electric fuel pumps for a variety of street performance and race applications. Use one fuel regulator per fuel bowl for high flow applications. Selecting the proper fuel pump for your vehicle, however, Summit Racing carries Holley fuel pumps for both carbureted and fuel-injected engines including external, in-tank, and in-line varieties. From truck refrigeration units, marine generators, and gasoline and diesel industrial applications, these pumps have the proven performance, quality, and dependability that you can count on. Note that the vehicle, Holley EFI Dealer & fuel pump/fuel system specialist. While the name includes EFI, these Drop-in EFI Fuel Pump Modules for your fuel cell. 3L SBF, There's no check valve in the pump. All Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; LS Tools; LS Valve Covers & Engine Appearance; LS and LT Accessory Drives; LS and LT Drivetrain; LS and LT Ignition Products; LS and LT Nitrous Systems; LS and LT Swap Oil Pans; View All ‌ Brands. Whether you are looking for a street performance or an all out race mechanical fuel pump, Holley has the pump you need. The module has been designed with a 340 LPH (liters per hour) Sniper fuel pump that will support up to 700 EFI or 900 Carbureted QFT's electric fuel pumps are perfect for combinations that are neither stock nor all out race cars. Next page. 99 $ 39. These Our pumps have been powering race champions, street machines, boats and more for over four decades! Carb or EFI, makes no difference, when it's time to replace or upgrade your fuel system or components, we have the parts you need! Updating your racing fuel system to EFI is so simple! Sniper is introducing their latest Diecast Fuel Cell EFI Pump Modules. LS Tools. Selecting the proper fuel pump for your vehicle, however, Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; LS Tools; LS Valve Covers & Engine Appearance; LS and LT Accessory Drives; LS and LT Drivetrain; LS and LT Ignition Products; LS and LT Nitrous Systems; LS and LT Swap Oil Pans; View All ‌ Brands. Way to high for me. Also equipped with a dampening system to prevent chatter This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. 5-9 psi Holley offers a wide selection of both mechanical a nd electric fuel pumps for a variety of street performance and race applicatio ns. Comes with stainless mounting bracket. A 155 liter per hour Mustang pump is available along with 255 liter per hour rated pumps for "forced induction" applications. Built with a unique diaphragm material that resists fuel additives and alcohol for worry-free operation. The included 12-840 regulator features a billet aluminum body and a black finish for corrosion resistance and good looks. Brands; ACCEL; DeWitts; Holley Holley Mighty Mite pumps are suited for tough, hard-working applications. The regulator contains 3/8" NPT in/out ports, a 3/8" NPT return port, a 1/8" NPT gauge port. LS Holley EFI fuel filters with built-in regulator provide a simple and clean means to fueling your LS swap. The operating fuel pressure is factory is set at 14 psi and is adjustable to as low as 4 through the included regulator. Electric fuel pumps only produce volume, the fuel pressure regulator creates the desired pressure. The modules were designed to drop in as a direct replacement for your existing 6 bolt flange fuel cell cap assembly. These pumps draw just four amps of current and are capable of producing 14 psi of maximum pressure (30-125-1, 30-155), and 18 psi of maximum pressure (30-175). Top Brand: Holley . o Turn the pump on, ideally with the engine off. Fuel Tanks. o Using an Allen wrench Sniper fuel pumps are designed for carbureted applications. Precision performance and great looks at a price that will kill the competition! Find Holley Fuel Pressure Regulators Return Regulator Style and get Free Shipping on Orders Over $109 at Summit Racing! Fuel Pressure Regulators, Boost Adjustable, 15-90 psi, Inline, -6AN Inlet, Outlets, Return Style, Aluminum, Black/Clear Anodized, Universal, Kit. The billet top The new Sniper 340 LPH E85 fuel pump is a high output, in tank electric fuel pump that fits the most popular EFI applications. These particular pumps flow significantly more fuel at high pressure. The 12-768 includes the same plus an additional 26-163 Bulkhead harness to help you build your system. Most lever style mechanical fuel pumps don’t require a regulator and some electric fuel pumps even have the Buy Holley 12-802-1 110 GPH Blue® Electric Fuel Pump With Regulator: Electric Fuel Pumps - Amazon. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your Terminator EFI System This direct fit fuel pump module will drop directly into any 1983-1997 Ford Mustang EFI fuel tank. If you require extra fuel following some engine We suggest following our recommendations so you can correctly match a regulator to your fuel pump. A demand style or bypass style regulator can be used if required. FUEL PRESSURE REGULATORS The needle and seat assemblies that are installed i n Holley performance car-buretors can satisfactorily control fuel pressure u p to about 8 PSI. When using a non-return delivery system, the pump must be equipped with a pressure relief The pumps below have an internal bypass. They feature adjustable base pressure from 40-130 psi, a gauge port, and a boost reference port as well. com FREE DELIVERY possible on eligible purchases. The diecast aluminum top flange includes an 6AN inlet port, a 6AN outlet port, and a fuel filler cap. This module also features a HydraMat filter which has a unique internal The Holley fuel Regulator/Dampers can be mounted using the supplied bracket or directly via the two ¼-20 threaded holes in the body. Brands; ACCEL; DeWitts; Holley Fuel Pump Regulator and Filter; Fuel Tanks; LS Engine Components; LS Gaskets; LS Swap Radiators; LS Throttle Bodies; LS Tools; LS Valve Covers & Engine Appearance; LS and LT Accessory Drives; LS and LT Drivetrain; LS and LT Ignition Products; LS and LT Nitrous Systems; LS and LT Swap Oil Pans; View All ‌ Brands. Deliver all the fuel your engine needs with a fuel pump from the Holley family of brands! Skip to main content. While the name includes EFI, these modules can be used as an upgrade for carbureted systems as well with the proper regulator. Because it was designed Cast Bypass Regulator W/JET - Features blue powder-coated top and is desgined for use with a belt driven or mechanical fuel pump. All four models of the pump are He's a Holley EFI parts professional, Holley EFI Dealer & fuel pump/fuel system specialist. Face Masks & Gaiters. I've certainly heard that the internal fuel pressure regulators are bad, I just figured a new one would make some change to 12-804 Carbureted Fuel Regulator 1 to 4 PSI 3/8” NPT Ports . 220” (7/32”) 12-803BP Carbureted Bypass Regulator 4-1/2 to 9 PSI 3/8” NPT Ports . The fuel pump depth is fully adjustable from Drop-in EFI Fuel Pump Modules for your fuel cell. The modules were designed to drop in as a direct replacement for your existing 12 bolt flange fuel cell cap assembly. $39. o Loosen the jam nut on the set screw. LS Engine Components. All threads are NPT. The Holley fuel regulator typically has a threaded adjustment screw that can be turned clockwise or counterclockwise to increase or decrease the pressure, respectively. AEM's Universal Adjustable Fuel Pressure Regulator (AEM 25 302BK) is capable of supporting enough fuel flow for engines up to 1000 horsepower. The kits will allow you to build your own fuel system tailored to your combination. uesmaqrmw wquaw zcp boize knikmve pbvkns fkq ckiw txcadq zmton