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FiTech Go Fuel regulators allow you to set the fuel pressure precisely where your EFI system and engine require. The regulators are able to handle high-flow fuel pumps, can be adjusted from 30 to 70 psi, and can support up to 1,000 hp on gas engines. Crafted from billet aluminum, FiTech regulators feature -6 ORB ports, a vacuum/boost port, and they will accept a pressure gauge. They are offering two models, a compact unit with a single outlet and a larger, dual outlet version.
( 2 )
$127.00
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$171.00
$114.30
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$153.90
On Sale
Aeromotive universal bypass fuel pressure regulators are dual purpose—for use with fuel systems in street or track applications. They feature adjustable base pressure and are ideal for vehicles/systems where superior flow and pressure control are desired. The regulators are available in different styles and pressure ranges, and for fuels such as gasoline, diesel, and flex.
( 180 )
$201.55
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$290.15
$181.40
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$261.14
On Sale
Intended for use with custom fuel rails, Aeromotive A1000 injected bypass fuel pressure regulators feature a design specifically for use with their A1000 fuel pumps. These true billet, alcohol-compatible regulators have a beautiful finish in anodized red and black or a mirror-like, show-quality nickel!
( 13 )
$235.00
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$279.55
$211.50
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$251.60
On Sale
FUELAB 575 Series mini fuel pressure regulators offer all of the great benefits of the 555 Series regulators, but are smaller and 50 percent lighter! They feature an advanced poppet design for smooth regulating capability and have a no-creep soft seat that is methanol and E85 compatible. These mini regulators are made from billet aluminum and are anodized for maximum protection. The 575 Series also includes a versatile mounting bracket with stainless steel hardware and 1/8 in. NPT gauge port with plug for external fuel pressure gauge.
( 5 )
$222.00
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$228.00
$199.80
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$205.20
On Sale
Holley bypass fuel pressure regulator kits are part of a complete line of fuel system products from Holley. Offering several different kits, each features a billet or diecast aluminum regulator with an adjustable psi for precise fuel pressure changes and they are finished for corrosion resistance and good looks. The regulators are fitted with a 1/8 in. NPT gauge port and include an Earl's fuel pressure gauge, three adapter fittings, a barbed fitting for the vacuum port, a mounting bracket, and all necessary hardware. Choose the kit to best fit your project's needs and performance.
( 30 )
$269.95
$140.95
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$242.95
On Sale
Ensure peak performance from your muscle or sports car with an Aeromotive vacuum/boost reference fuel pressure regulator, designed for use with GM LT1 engines. Developed with LT1 specs in mind, these are true billet, fully adjustable regulators—featuring CNC-machined aluminum seats, ports, and stainless steel springs, custom-designed for precise fuel control. Order the model recommended for your vehicle.
( 13 )
$279.55
$251.60
Radium Engineering fuel pressure regulators are designed with billet aluminum housings that are anodized for a superior finish and laser etched. Providing a convenient package for plumbing and mounting, the compact housings feature two main high-pressure ports threaded for 6AN ORB, a 6AN male return port, and a 1/8 NPT female port for a gauge, pressure transducer, and the like. Radium regulators are available without a top or with a genuine Bosch 3.0 Bar (43.5 psi) or 4.0 Bar (58.2 psi) static top vacuum referenced with a 1:1 ratio and are NOT adjustable. They are secured with a stainless steel snap ring and can easily be removed using snap-ring pliers. Fittings, plug, bracket, and stainless steel hardware are included. Choose the kit to best suit your needs.
( 2 )
$123.45
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$199.45
FAST adjustable fuel pressure regulators are made of precision CNC-machined billet aluminum that's designed to exacting specifications. The units feature twin -6 feed side ports and one -6 return port on the bottom for maximum efficiency. These FAST fully adjustable regulators are vacuum referenced and utilize a hex adjustment stud with jam nut. And, with their black anodized finish, they look great, too! For quality performance and long-lasting looks under the hood, get FAST adjustable fuel pressure regulators!
( 4 )
$123.95
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$163.95
Redhorse Performance bypass fuel pressure regulators are custom designed universal units made on RHP's CNC machines. The perfect match for the Redhorse 6910 Series pumps, the 7910 regulators deliver amazing performance in a compact, lightweight housing. They feature aluminum construction in several anodized colors, are available in several O-ring inlet sizes with -06 O-ring outlet ports and include a steel mounting bracket. Choose the one best suited for your setup. Spec notes: * Base pressure can be adjusted from 40 to 75 psi and can support applications of up to 1,000 hp. Boost reference ports are available for forced induced setup. They raise fuel pressure by 1 lb. for each pound of boost (1:1 ratio). Boost reference port should be connected to engine vacuum.
Not Yet Reviewed
$121.40
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$148.40
The opening and closing of fuel injectors create pressure pulses in the fuel rail which can lead to unstable fuel pressure. To achieve a safe and consistent rail pressure, a fuel pulse damper (FPD) is often necessary. Radium Engineering fuel system pulsation dampers feature an internal diaphragm that will absorb oscillating pulses and stabilize fuel pressure. This correction can be measured throughout the rpm range and can often help idle surge, especially with high-flow injectors. They also help solve erratic lean air/fuel ratio spikes, commonly experienced as "stumbling", that are difficult to tune out. Kits come with different male adapter fittings. Choose the proper one for your fuel feed hose. Features: * Anodized aluminum housing with a large 0.69 in. center bore * Two in-line inlet/outlet ports machined with 3/4 in.-16 UNF threads for 8 AN ORB fittings * At 1.98 in. tall, the FPD-R can be used in space-constrained applications * FPD-R base pressure requirement equals 40 to 70 psi (static) * Includes adapter fittings which seal to the billet housing using Viton® O-rings * An 1/8 in. NPT female port is threaded into the center of the fuel pulse damper * Safe for use with all fuel types, including alcohol blends such as E85 * Vacuum/boost reference port allows for proper performance even at elevated fuel pressures
( 3 )
$113.95
The fuel pressure regulator is often overlooked but a very critical component in a vehicle's fuel system. Without reliable and consistent fuel pressure, your ECU cannot know how much fuel it injects into each cylinder. Most conventional fuel pressure regulators use a bladder-type design. While they are cost-effective and react to disturbances quickly, those bladders often lead to significant pressure fluctuations, which are manifested as a bouncing needle on your pressure gauge. Hybrid Racing fuel pressure regulators feature a piston-type design that introduces damping into the regulator to reduce pressure fluctuations and needle bounce, giving you a more stable and reliable fuel pressure. Constructed from aircraft-grade 6061-T6 aluminum and 304 stainless steel, each regulator receives a durable PTFE-impregnated, hard anodized finish and redundant seal quad O-rings for improved performance and longevity. The end product is a regulator that keeps your fuel pressure consistent and looks good doing it. Each regulator is supplied with all the fittings you'll need to hook up a return system with -6 AN lines. The regulator can accept up to -8 AN lines. Notes: * E85 compatible * Piston-type design provides pressure damping * PTFE-coated, hard anodized, 6061 aluminum construction * Stainless steel cap and hardware * -8 inlet/outlet ports and -6 return port * Universal: fits and works with just about any fuel system * DOES NOT WORK WITH OEM RETURNLESS FUEL SYSTEMS. To use this regulator, you must convert your fuel system to utilize a return line to the rail. (RSX/EP3/FA5/FB6, etc.) IN THE BOX: -- (1) Fuel pressure regulator body -- (3) -8 ORB/-6 AN fitting -- (1) -6 ORB/-4 AN -- (1) 1/8th NPT plug -- (1) 10/32 UNF nylon vacuum port -- (1) Anodized billet mounting bracket and hardware
Not Yet Reviewed
$205.19
Standard Motor fuel pressure regulators ensure that your vehicle's fuel supply is precisely metered for optimum mileage and performance. Defective fuel pressure regulators most often develop excessive pressures that create an overly rich air/fuel mixture, robbing mileage and performance. Similarly, if the pressure regulator diaphragm leaks through its vacuum hose into the engine intake manifold, the fuel mixture will also become extremely rich. Don't take chances with your fuel supply—rely on Standard Motor Products for your vehicle's fuel system needs. Order the replacement regulator designed for your application.
( 47 )
$100.99
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$273.99
BluePrint Engines billet aluminum fuel pressure regulators are an excellent way to ensure your engine is getting the correct fuel pressure. These quality regulators come right out of the same factory as other premium market offerings at a fraction of the cost. (Don't forget your BluePrint Engines fuel pressure gauge to match!) Features and benefits: * Pressure range: 40-75 psi * Regulator style: Return * Regulator location: Inline * Boost/Vacuum reference port: Yes * Boost/Vacuum rise ratio: 1:1 * Gauge port: Yes * Mounting bracket included * Rebuildable * Inlet quantity: One * Inlet attachment: Female threads * Inlet size: -6 AN O-ring * Outlet attachment: Female threads * Outlet size: -6 AN O-ring * Outlet quantity: One * Return attachment: Female threads * Return fitting size: -6 AN O-ring * Regulator finish: Black anodized
Not Yet Reviewed
$129.95
If you're looking for an EFI fuel pressure regulator that seals and behaves just like your factory unit but with the added reliability and high flowing capacity you require, check out Go Fast Bits FX-R Series fuel pressure regulators. The multiple inlet/gauge ports allow for a wide range of fuel system setups beyond the usual inlet/outlet, including parallel fuel rail or returnless "deadhead" systems. The two gauge ports allow you to run a mechanical fuel pressure gauge and an ECU fuel pressure sensor if you want to. GFB's engineers incorporated a softer, more compliant yet resilient material for the valve seat that positively seal and hold the fuel pressure on shut down for factory-like sealing and reliable startup, as well as superior fuel resistance suitable for Unleaded, Ethanol, Methanol, and Diesel fuels. Whether you run pump petrol/gasoline, Ethanol, Methanol or Diesel, a single small pump, or a massive triple setup, the Go Fast Bits FX Series EFI fuel pressure regulators range has got you covered, no matter what your fuel pressure regulatory requirements are! Additional features and benefits: * Billet aluminum construction with black anodized finish * Double-layer/double reinforced diaphragms have twice the reinforcing material of the single layer type used in most regulators * Valve seat has a soft, more compliant yet resilient material that positively seals and holds fuel pressure for easier startup vs. conventional aftermarket fuel pressure regulators that utilize metal-to-metal valve and seat * PTFE co-polymer seat with spherical stainless valve retains fuel pressure longer after shutdown * Spring pre-load adjustment screw is O-ring sealed and does not leak vacuum/boost * Completely serviceable
Not Yet Reviewed
$269.10
The opening and closing of fuel injectors creates pressure pulses in the fuel rail which can lead to unstable fuel pressure. In order to achieve a safe and consistent rail pressure, a Radium Engineering fuel pulse damper (FPD) is often necessary. The FPD's internal diaphragm will absorb oscillating pulses and stabilize fuel pressure. This correction can be measured throughout the RPM range and often help idle surge, especially with high-flow injectors. A fuel pulse damper can also solve erratic lean air/fuel ratio spikes, commonly experienced as "stumbling," that are difficult to tune out. What makes Radium FPDs unique?: Along with having the flexibilty of using common fittings, Radium Engineering FPD's use a vacuum/boost reference port which allows for proper fuel pulse damper performance even at elevated fuel pressures. This becomes essential for boosted systems that use a 1:1 rising rate fuel pressure regulator. Features: The anodized aluminum housing features two selectable threaded male fittings. The 8 AN ORB version seals using a FKM O-ring, while the 3/8 in. NPT variation seals with the tapered pipe threads. * The FPDs can be mounted at any possible angle including upside down. For best results, the damper should be mounted directly onto the fuel rail(s). These products are safe for use with all fuel types, including alcohol blends such as E85. (Not recommended for the low-pressure side of mechanical fuel pumps.) Included: * Anodized and laser engraved aluminum top, R=range or XR=extra range * Anodized aluminum body with male threads, 8 AN ORB or 3/8 in. NPT * Stainless steel hardware * Rubber vacuum hose, 4mm I.D. * Vacuum hose Y-fitting
Not Yet Reviewed
$113.95
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$123.45
The FX-S Series fuel pressure regulators from Go Fast Bits join their existing line of successful fuel delivery products—built with the same precision, machining quality, and reliability that is the foundation of GFB's reputation. Go Fast Bits FX-S fuel pressure regulators are available in different model configurations to meet the needs of your specific setup. The 8050 models have multiple inlet/gauge ports that allow for a wide range of fuel system setups beyond the usual inlet/outlet, including parallel fuel rail or returnless "deadhead" systems. The two gauge ports allow you to run a mechanical fuel pressure gauge and an ECU fuel pressure sensor if you want. GFB also offers the 8051 model—a direct drop-in Bosch replacement for common Bosch regulators that clip into the fuel rail, rather than replacing the entire fuel rail or using an adaptor with a separate fuel pressure regulator. By simply clipping in the FX-S 8051 fuel pressure regulator will allow you to run a much larger pump setup even with the factory rail. Whether you run pump petrol/gasoline, Ethanol, Methanol or Diesel—Go Fast Bits has you covered—no matter what your fuel pressure regulatory requirements are! Features of FX-S Series fuel pressure regulators: * Billet aluminum construction with black anodized finish * Features double-layer diaphragm that has twice the reinforcing material of the single layer type used in most regulators * Valve seat has a soft, more compliant yet resilient material that positively seals and holds fuel pressure for easier startup vs. conventional aftermarket fuel pressure regulators that utilize metal-to-metal valve and seat * PTFE co-polymer seat with spherical stainless valve retains fuel pressure longer after shutdown * Spring pre-load adjustment screw is O-ring sealed and does not leak vacuum/boost * Completely serviceable
( 2 )
$220.50
On Sale
AEM Electronics high-capacity fuel pressure regulators are universal and adjustable. They are the perfect solutions for racers who need reliable fuel pressure in high-boost vehicles, and race cars that require a large volume of fuel delivery. AEM high-capacity fuel pressure regulators are CNC-machined from 6061-T6 billet aluminum. Features include: * Universal fuel pressure regulator adapts to virtually any vehicle * Longer spring for wider range of adjustment (40 to 130 psi) * Single large return orifice accommodates very high-flow rate pumps * Boost dependent rising fuel pressure rate (1:1) * Three 9/16 in.-18 ORB O-ring style inlet ports (2 inlet, 1 return) * Durable, easy-to-use adjustment screw * Integrated 1/8 in. NPT gauge port * 5mm (3/16 in.) vacuum hose * Alcohol fuel and race gas compatible
( 8 )
$167.95
$151.15
On Sale
Aeromotive A1000 Gen-II EFI fuel pressure regulators feature excellent control, superb durability, and a high-flow design suited for medium to high-horsepower powerplants. These units have been downsized and lightened up, and yet remain as incredible as ever. They're compatible with alcohol or gasoline, have a 1/8 in. NPT gauge port, and are available in either -6, -8, or -10 AN inlets with a -6 return. Keep your vehicle's engine roaring with Aeromotive A1000 Gen-II EFI fuel pressure regulators.
( 5 )
$271.05
$243.94
On Sale
Aeromotive offers compact EFI regulators for applications producing up to 1,000 hp, where space is at a premium. Their compact design fits small engine compartments while providing big performance. They ideally work with EFI systems where only one inlet is needed.
( 24 )
$201.55
$181.40
On Sale
Aeromotive offers true billet fuel pressure regulators designed to meet the performance requirements of Ford engines. Their Ford fuel pressure regulators feature a stainless steel spring, custom-designed to provide the regulation required by Ford's 4.6 and 5.0L engines.
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$256.75
$231.08
OMIX-ADA offers top-quality mechanical fuel pumps for your Jeep. These pumps are available as direct replacements for a large range of years and model-specific applications, from the 1940s through the 1980s. OMIX-ADA is your go-to source for Jeep restoration and repair!
( 9 )
$163.99
Delphi mechanical fuel pumps deliver the fuel for classic vehicles—including Chevy and Ford models from the '40s, '50s, '60s, and '70s. Manufactured to quality standards, these replacement pumps are validated, tested, and matched to the correct vehicle application. Do you need a pump for your older-model carbureted system? Delphi mechanical fuel pumps will provide the appropriate performance for your system.
( 57 )
$218.99
Weldon A2040 Series bypass fuel pressure regulators will exceed your performance expectations. They maintain a steady fuel delivery during dramatic changes in fuel demand, such as WOT conditions, boost application, and gear changes with precision pressure control. A2040 Series regulators are for use with all Weldon pumps, as well as pumps from other manufacturers. Features include: * .281 in. bypass orifice * Fluorosilicone diaphragm * Flows up to 6 gpm * 1/8 in. NPT gauge port * 1/8 in. NPT manifold pressure reference port * Fuel pressure increases on a 1:1 ratio with boost * Two -10 AN pressure ports/-8 AN return port * Billet aircraft aluminum with Mil-Spec anodizing * Compatible with gasoline, methanol, diesel, ethanol, most racing fuels
( 2 )
$225.19
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$241.01
On Sale
Aeromotive A1000-6 injected bypass regulators were developed for high-horsepower EFI applications where -6 AN fuel lines are used for supply and return. These regulators are alcohol compatible and feature two -6 AN inlet ports and one -6 AN return port. They're beautifully finished with Type II bright red and clear anodized coatings and deliver long life, performance, and reliable operation.
( 18 )
$235.00
$211.50
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