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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.
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$269.95
$242.95
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Holley billet EFI return-style fuel pressure regulators are space saving options when mounting on the end of the fuel rail or near the throttle body. They are preset at 59.5 psi, and the cap can be removed and re-oriented to suit the desired fuel routing. These Holley EFI fuel pressure regulators feature 6061 T-6 billet aluminum construction, and are machined for all SAE6 ports with three -6 AN fittings included, plus an extra plug to replace one fitting when installed post throttle body/fuel rail. They are compatible with Holley Sniper or Sniper Stealth among other applications, and available with either an all-black or a black/clear anodized finish.
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$249.95
$224.95
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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. All HP billet fuel pressure regulators feature a 2-port design, provide for precise fuel pressure adjustments, and are available in your choice of demand (no return line) or by-pass (with a return line) styles. Depending on the model, they are for use only with electric fuel pumps, or with either mechanical or electric pumps. Designed for street/strip applications, they are CNC-machined from 6061 T-6 billet aluminum for strength and have bright dip anodized black bodies with clear dip anodized tops for corrosion resistance and good looks. Whatever your fuel system needs, Holley has you covered. Depending on model, features may include: * Adjustable from 4 to 65 psi for use with EFI or carburetors * 4.5 to 9 psi adjustment range for use with carburetors only * EFI-only models are adjustable from 15 to 65 psi * Two port sizes available, 3/8 in. NPT or -6 AN inlet/outlet and return (where applicable) * Fitting for manifold reference * 1/8 in. NPT gauge port * Boost reference--1:1
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$272.95
$134.95
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$245.65
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
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$225.19
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$241.01
On Sale
Holley Sniper EFI universal bypass fuel regulators are for use with fuel systems in street or track applications. They feature adjustable base pressure from 40-130 psi, a gauge port, and a boost reference port. These regulators are ideal for vehicles/systems where superior flow and pressure control are needed. Each unit is precision-machined from 6061-T6 billet aluminum for strength and durability—and features a black, bright dip anodized body and clear bright dip anodized top for corrosion resistance and good looks. Choose from -6 or -8 AN inlet/outlet return fitting sizes. Product features: * Longer spring for wider range of adjustment (40-130 psi) * Oversized bypass orifice and corrugated diaphragm for superior flow * Constructed of billet aluminum with a black anodized base and top for good looks * Offered in -6 and -8 ORB configurations * Used in systems with a return line back to tank * 1/8 in.-NPT boost reference port (ratio 1:1) * 1/8 in.-NPT fuel gauge port * Alcohol fuel and race gas compatible * Includes mounting bracket, hardware, and an 1/8 in.-NPT barb fitting for manifold reference
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$188.95
$170.05
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$177.95
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FASS Fuel Systems adjustable fuel pressure regulators are intended for aftermarket performance applications requiring higher fuel pressures than a typical daily driver. These applications can vary from drag race vehicles, competition pulling trucks, or high performance marine applications. FASS regulators have pre-drilled and tapped fuel pressure gauge ports that will make adjusting your regulator simple, eliminating any guesswork. In addition, FASS added a performance benefit by engineering a boost compensation port. This will allow you to run a line from your manifold to increase fuel pressure—very beneficial when under active acceleration and fuel demand has been increased. Additional product features: * Adjustable fuel pressure from 0-100 psi * Built-in fuel pressure port * Boost compensation port * 1/2 in. NPT fuel line inlet and outlet
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$141.55
$127.40
BluePrint Engines electric carburetor fuel pumps are performance replacements, supplying fuel to the injectors at a defined pressure. The injectors spray the fuel into the intake manifold (manifold injection) or direction into the combustion chamber (petrol direct injection). These externally mounted pumps feature 3/8 in. NPT inlet/outlet threads and a 130 gph flow rate.
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$109.95
BBK GM tuned-port fuel pressure regulator covers are built from computer-machined lightweight aluminum alloy and make your stock regulator fully adjustable. They not only improve maximum horsepower, but also ensure proper air/fuel ratios for optimal fuel economy. Great for mild to wild applications, these kits include OEM direct-fit manifold runner gaskets.
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$109.99
These Edelbrock in-tank electric fuel pumps are designed to support performance upgrades to the intake manifold, camshafts, direct port nitrous systems, bigger throttle bodies, and more. They include all necessary mounting hardware and require no modifications to your vehicle.
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$200.95
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$232.95
Weldon A2046 Series fuel pressure regulators will exceed your performance expectations. They work with all Weldon pump and regulator combinations, as well as pumps from other manufacturers. Features include: * "Tool-free" pressure control with single hand adjustability * Stainless steel poppet and Delrin® seat * Ideal for use in single, dual, and "split" carburetor applications * PTFE diaphragm * 1/8 in. NPT gauge port * 1/8 in. NPT manifold pressure reference port * Adjustable between 4 to 15 psi * -10 AN inlet with four -6 AN pressure ports * Billet aircraft aluminum with Mil-Spec anodizing * Compatible with gasoline, methanol, diesel, ethanol, and all racing fuels
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$251.36
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.
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$100.99
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$273.99
On Sale
Turbosmart fuel pressure regulators ensure maximum precision with smooth fuel pressure delivery. Manufactured from billet aluminum that's anodized, these hand-assembled Turbosmart regulators provide a stable 1:1 ratio between fuel and manifold pressure. The regulators feature an easy screw and lock adjustment and work well with mechanical and electric fuel pumps. Several models are available for race cars with up to 3,000 hp fuel systems (FPR-3000) and modified street cars with up to 800 hp fuel systems (FPR-800) using a fuel pump. If you've installed fuel injectors or a high-flow fuel pump, or you're trying to maximize your standard fuel system for the extra power mods you've added, these regulators are ideal. Maintaining constant fuel pressure under all conditions from idle to full throttle is the function of Turbosmart fuel pressure regulators.
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$235.95
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$256.95
$188.76
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$205.56
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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
On Sale
These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines. They feature a large inner diameter bore to decrease fuel pressure drop and help cancel out back pulses.
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$183.95
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