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Holley G-body fuel system kits remove the guesswork when updating your G-body's system. Designed as a direct replacement for your factory fuel system, these kits contain everything required to go from fuel tank to engine bay. They are engineered for use with factory fuel line routing and mounting locations, creating a clean, OEM-like installation. Prepare your G-body with a bullet-proof fuel system for any EFI conversion with Holley fuel system kits. Features: * Pump gas and E85 compatible fuel system plumbing kit * 40 ft. of 6 AN nylon braided hose, enough to go from the tank to the fuel rails for both feed and return * Utilizes as many of the original sheet metal and chassis fuel system routing provisions with minimal to no drilling required * Electric fuel pump harness and relay wiring kit ensures the fuel pump receives the proper amperage, for improved reliability and consistent performance * Pre-calibrated fuel level sending unit works with factory fuel gauge for a simplistic installation—no guesswork about ohm range * Highly detailed installation instructions to guide you, step by step, along the installation process Kits include: * 350 lph EFI fuel pump module * Billet fuel filter * Fuel pressure regulator * Fuel pressure gauge * Nylon braided hose * AN fittings * Hardware * EFI-rated clamps * Fuel level sender * Fuel pump harness and relay wiring kit
( 2 )
$849.95
Designed as a bolt-on replacement for GM's venerable Quadrajet, Holley's 4175 carburetors utilize a front-mounted fuel bowl fitting, allowing you to reuse the stock fuel line. Other features include vacuum secondaries, power valve blowout protection, a spread bore flange, and a choke.
( 4 )
$799.95
Holley offers Fox Body fuel system kits for a variety of applications, including many Ford Mustang models from the 1980s and '90s. These upgrades are designed as direct replacements for your factory fuel system—and include everything required: in-tank fuel pump module, billet fuel filters, fuel pressure regulator and gauge, fuel line, fittings, hardware, EFI-rated clamps, and all-new wiring components. They're designed to use factory fuel line routing and mounting locations for a clean, OEM-like installation. Additional details: * Choose from either a 90 or 139 GPH flowrate pump * Prepares your 1986-93 Ford Fox Body Mustang with a bulletproof fuel system for any engine application * Pump gas and E85 compatible fuel system * Includes 40 ft. of -6 AN or -8 AN nylon braided hose, enough to go from the tank to the engine for both feed and return * Electric fuel pump harness and relay wiring kit ensures the fuel pump receives the proper amperage for improved reliability and consistent performance
Not Yet Reviewed
$1,049.95
On Sale
One of the most popular updates for an older vehicle is swapping out the carburetor for electronic fuel injection (EFI); but using an external pump to supply the high pressure needed for EFI can be a problem. External pumps are loud and often difficult to mount properly. Holley Sniper EFI conversion fuel tanks are the complete bolt-in solution for your EFI conversion. They're a direct-fit for a wide variety of specific applications, require no modifications, and include either a 255 lph or 400 lph submersible pump, a fuel level sender, and internal baffles. For the fuel you need with in-tank quietness, order a Holley Sniper EFI conversion fuel tank. Features include: * 255 lph model supports up to 550 hp * 400 lph model supports up to 750 hp * 60 psi at 13.5 V with a 10.4 amp draw * Made of coated, galvanized steel that is also silver powdercoated for corrosion protection * Fuel pump hanger assembly included * Sender has 1/4 in. NPT supply and return line ports for easy fuel line connection * Barbed vent fitting * Sending units have the correct ohm range for factory gauges * Fuel pump and sender are recessed into the tank * EFI-style tank baffling includes a 4.3L internal fuel tray to prevent starvation * Fits and looks like an OE tank when installed * Include new tank straps, where applicable
( 109 )
$799.95
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$1,049.95
Holley offers EFI Hi-Ram intake manifolds for a variety of applications, including many vehicles from the 1950s, '60s, '70s, and '80s with a Chevy small block Gen I engine. Fuel rail kits are provided and have mounting for both long and short type fuel injectors. These manifolds offer the performance potential and the appearance of professionally prepared billet and fabricated racing intake manifolds at the affordable price of a cast-aluminum product. They deliver 21st century performance for the iconic small-block Chevy engine. * Model 300-950 is of standard Hi-Ram configuration with a "top-feed" plenum and a plenum top designed to accept up to an 105mm Gen IV LS 4-bolt throttle body, including drive-by-wire throttle bodies. * Model 300-951 is a hood-height friendly Hi-Ram variation which has a "front-feed" plenum and a forward-facing throttle body flange which accepts an up to 95mm LS 4-bolt throttle body, also, including DBW throttle bodies. It's an upgrade replacement for the Holley/Weiand Stealth-Ram intake manifold which was a popular manifold used to significantly improve the performance of 1985-92 GM 5.7L TPI fuel-injected engines. The 300-951 system installs under the OE hood for Gen 1, 2, and 3 Camaros and Firebirds. It should be compatible with most applications with a mild cowl induction hood. * Uses drive-by-wire or cable-actuated GM Gen IV LS 4-bolt throttle bodies * Throttle cable bracket is supplied in the kit * GM Gen IV LS MAP sensor port. Also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum * Power band: 1,500-8,000 rpm * Black anodized EFI fuel rails are machined for -6 AN O-ring fittings and come included with these EFI Hi-Ram kits * Plenum top gasket type – 3/32 in. round O-ring cord * Cast 356-T6 aluminum construction, natural, satin as-cast aluminum finish * Requires the use of early type GM or small cap MSD or Holley distributors. Not compatible with HEI distributors * 1.95 in. tall x 1.25 in. wide port flange openings
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$999.95
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$1,049.95
Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? The new Holley Sniper 2 fuel injection upgrade kits are designed to do exactly that! Included with each Sniper 2 plug-and-play upgrade system is an adapter solution that connects your existing Sniper EFI wiring harness to a Sniper 2 throttle body in minutes. Simply remove your Sniper EFI throttle body from the intake manifold, unplug all connectors, reinstall the Sniper 2 throttle body, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choice, and enjoy the benefits of Sniper 2 EFI. The #1 EFI conversion system just got better! Introducing Sniper 2 EFI—a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Holley took everything that they learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion simpler, more reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to work with the Sniper ecosystem that includes Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more. Make your classic drive like a modern fuel injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley's comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will self-tune with no laptop or tuning required. If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI. Four total upgrade kits are available: polished and black, with or without external fuel pressure regulator (required for Sniper 2). Upgrade kit features: * Update your Sniper EFI to the new, improved Sniper 2 in less than one hour! * Eliminates the need to rewire your existing installation; one step, plug-and-play upgrade to a Sniper 2 * Improve your ride with the Sniper 2, including wireless connectivity, smooth throttle feel, improved RF resistance, and a hidden wiring harness. * Reuses existing coolant temperature and oxygen sensors * Female -6 AN O-ring fittings for a tight seal * Overall height is only 3.280 in. to fit under most hoods * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * Requires 55-65 PSI of regulated fuel supply * Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires) * Redesigned throttle shaft and plate geometry for a smoother throttle feel * Sniper 2 is part of the Sniper EFI complete ecosystem * Available with fuel system kits: that include an adjustable external regulator, fittings, and a 3 ft. section of fuel hose, allowing you to easily mount your regulator in the engine bay Additional NEW features: * Integrated transmission kickdown provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications * "Hidden Harness" wiring exit from the rear of throttle body for a clean appearance * Inputs and outputs consist of: 2x ground inputs, 2x ground outputs, 1x TPS output (0-5 V), and 1x tach output * Redesigned injector connector for improved reliability * Onboard contactless magnetic TPS sensor ensures an accurate TPS reading * Next generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection * Cast-in fuel crossover from the primary to secondary fuel rail * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected
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$999.95
Holley EFI LS Hi-Ram intake manifold bases are cost-effective alternatives to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling these cast aluminum Hi-Rams with the high flowing LS-style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. These modular lower manifolds accept a wide range of carbureted and EFI tops, making them attractive to builders and fabricators as the perfect foundations for custom induction systems. Fuel rails are included and machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system. The aggressive, bold, race-bred styling of Holley GM LS modular Hi-Ram lower manifolds will make bad intentions clear for drag race, muscle car, marine, off-road, sand rails, pulling trucks, track, and street-rod applications.
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$899.95
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$999.95
Holley Sniper EFI fuel tank systems will complete your EFI swap. They fit and look like an OE tank, but each Sniper tank is a direct-fit for your application, which means no modifications for you to perform. The tanks are powdercoated galvanized steel for corrosion resistance and lasting good looks. Your Holley Sniper EFI fuel tank kit will include the tank, fuel pump, fuel level sender, and internal baffling. Some kits may also include filler neck and tank straps. Sniper EFI tanks feature: * Fuel pump (255 lph) with hanger assembly gives you the fuel you need with in-tank quietness * Sender has 1/4 in. NPT supply and return line ports for easy connection and a barbed vent fitting * Fuel level sender has the correct ohm range for your factory gauges * Fuel pump and sender are recessed in the tank to provide an easy installation * EFI-style tank baffling includes a large 4.3L internal fuel tray to prevent fuel pump starvation
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$849.95
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$1,049.95
Holley Ford 351W Hi-Ram EFI intake manifold bases feature runner lengths and tapered cross sections designed to perform well for a wide range of engine combinations. The Holley engineering team also redesigned the water crossover passage to allow room for distributor phasing. Aggressive, bold, race–bred styling will make bad intentions clear for drag race, muscle car, marine, off–road, sand rails, pulling trucks, track, street rod applications and more! Features include: * Cast aluminum construction * The 351W manifold is available to work with 95mm or 105mm GM LS throttle bodies * EFI fuel rails are machined for -8AN O-ring fittings with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system * Plenum top gasket-type--3/32 in. round O-ring cord * Manifold is designed for a 9.5 in. deck height * Requires the use of Holley EFI dual sync distributor
Not Yet Reviewed
$949.95
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$999.95
Holley EFI LT1 Gen V Hi-Ram intake manifolds provide the ultimate performance with GM direct-injected Gen V 6.2L LT1 engines. The modular design allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper and cross-sectional area to perform in a wide variety of engine configurations. When you look for the pinnacle of performance, price, and quality, look to Holley Hi-Ram intake manifolds for your LT1 application. Features include: * Available with injector bosses on the intake runners that provide increased performance potential by using additional injectors and the factory direct injection * Removable top * Large plenum volume * Intakes with injector ports include fuel rails with dual mounting * Fuel rails are anodized, laser-etched, and machined for -8 AN O-ring fittings at each end * Rear of plenum machined for MAP sensor and three vacuum ports * Head flange has clearance for fuel supply to a high-pressure pump * Increased runner wall thickness for custom porting at the plenum to runner entry on each runner * O-ring seals at cylinder heads and plenum top * Easy assembly with top-mounted screws on plenum top (except front two screws) * Several top options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or blank flange for custom throttle bodies * 3,500 to 8,000-plus rpm power band
( 2 )
$949.95
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$1,049.95
If you are adding nitrous or boost to your 2010-2015 Camaro race car, Holley has the fuel pump upgrades for you, like these dual in-tank pumps. 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. The module also includes two HydraMats to eliminate fuel starvation under hard acceleration or cornering. The integrated jet pump assembly allows retention of factory drivers side fuel pickup. A new level sensor is included and pre-installed. Installation is as simple as removing factory module and replacing with Holley module. Select the dual in-tank pump model that's designed for your application. Features and benefits: * Machined, billet, anodized, laser-etch components for durability and good looks * -8AN ORB inlets and outlets (return fitting included) * Two HydraMats, one for each pump * Integrated jet pump assembly allows retention of factory drivers side fuel pickup * Have been tested to deliver stable fuel pressure down to low fuel indicator warning light * Brand new level sensor included and pre-installed to make installation as simple as removing factory module and replacing with Holley module * Outlet fitting included to connect to factory feed line * Secondary ORB port machined into flange for easy AN plumbing of feed line * Module is return-style only so a regulator must be installed
Not Yet Reviewed
$949.95
On Sale
Holley introduces a new addition to their manifold line up—the SBF Hi-Ram EFI intake manifolds that come with an LS throttle body flange top (in either 95mm or 105mm throttle body sizes). Their runner length and tapered cross-section design will perform well for a wide range of engine configurations. The Holley engineering team also redesigned the water crossover passage to allow room for distributor phasing. With the aggressive, bold, race-bred styling, there's no doubt that these Hi-Ram EFI manifolds will make your bad intentions clear for drag racing, muscle car, marine, off-road, sandrails, pulling trucks, competition track, street rod applications, and more! Additional features and specs include: * Cast aluminum construction * Available in natural cast aluminum or black powdercoat finish * Manifold is designed for an 8.2 in. SBF deck height * EFI fuel rails are machined for -8 AN O-ring fittings, with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system; they come standard with EFI Hi-Ram kits * Plenum top gasket type: 3/32 in. round O-ring cord * A low-profile distributor will be needed when using this manifold (sold separately)
( 5 )
$1,249.95
$812.95
On Sale
Holley SBF Hi-Ram EFI intake manifolds with side-mount tops are available for the 8.2 in. or 9.5 in. SBF Ford applications, and come with either a 95mm or 105mm Ford 5.0L throttle body flange side-mount top. The runner length and tapered cross-section design will perform well for a wide range of engine configurations. Holley's engineering team redesigned the water crossover passage to allow room for distributor phasing. The SBF Hi-Ram EFI intake manifolds have aggressive, bold, race-bred styling that's perfect for drag race, muscle car, off-road, pulling trucks, street rod applications, and more! Additional features and specs include: * Cast aluminum construction with satin silver finish * Designed for side-mounted throttle bodies (Ford 5.0L throttle body fitment) * EFI fuel rails are machined for -8 AN O-ring fittings, with passages large enough to accommodate high fuel flows and dampen pressure pulsations in the fuel system; they come standard with EFI Hi-Ram kits * Plenum top gasket type: 3/32 in. round O-ring cord * Allows room for designing boosted applications * A low-profile distributor will be needed when using this manifold
Not Yet Reviewed
$1,299.95
$844.95
On Sale
One of the most popular updates for older vehicles is swapping out the carburetor(s) for electronic fuel injection (EFI); but using an external pump to supply the high pressure needed for EFI can be a problem. External pumps are loud and can be difficult to mount properly. Holley Sniper Universal EFI conversion fuel tanks are the complete bolt-in solution for your EFI conversion. They give you the option to install an EFI tank into a vehicle not normally offered. Features include: * Supports up to 550 hp * 60 psi at 13.5 V with a 10.4 amp draw * Made of coated, galvanized steel that is also silver powdercoated for corrosion protection * Fuel pump hanger assembly included * Sender has 1/4 in. NPT supply and return line ports for easy fuel line connection * Barbed vent fitting * Fuel pump and sender are recessed into the tank * EFI-style tank baffling includes a 4.3L internal fuel tray to prevent starvation * Include new tank straps
( 2 )
$949.95
Holley EFI Gen III Hemi Hi-Ram intake manifolds are for high performance applications where induction system height is not limited. Able to add even more power to your engine, these manifolds have large intake ports and a modular base design with runner lengths and tapered cross-sections that will perform well for a wide range of engine configurations. Their aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, and street-rod applications. Holley EFI Gen III Hemi Hi-Ram intake manifolds feature cast aluminum construction offered with a natural satin or black finish. They are available with either a 95 or 105mm LS-style throttle body or as the manifold base alone for custom induction systems. Features and benefits: * Modular design base accepts a wide range of EFI tops and can be used as the foundation for custom induction systems * EFI fuel rails are machined for -8 AN O-ring fittings with passages large enough to accommodate high fuel flow and dampen pressure pulsations in the fuel system * Intended for use on naturally aspirated, forced induction, or nitrous engines in the 5.7L to 7.2+L range, and maximum power at 7,500 to 8,500 rpm * Works with Gen III Hemi injectors and Bosch EV-1 style injectors * O-ring seal to head offer superior OE-style sealing and are easy to replace * Billet oil fill cap offers an attractive low-profile design * Positive Crankcase Ventilation (PCV) ports with adapter fittings * Port for OE-style Manifold Absolute Pressure (MAP) sensor (1 or 2 Bar) * Cast-in pads for adding nitrous nozzles
( 2 )
$999.95
On Sale
Holley Sniper EFI fabricated Race Series intake manifolds utilize a larger intake plenum for max effort engines and boosted applications. These manifolds feature 5mm (13/64 in.) thick T-6061 sheet aluminum construction with 100 percent TIG welds. With their removable tapered top, increased velocity and more evenly distributed airflow to all cylinders is a guarantee! Race Series intakes also include 3/8 in. fuel rail kits, -8 AN fittings, and crossover-braided line capable of supporting 750+ hp. They're available in multiple anodized colors, and every manifold has the Holley Sniper EFI logo.
( 1 )
$1,449.95
$797.95
On Sale
Holley LS Modular Lo-Ram EFI intake manifolds are designed for GM LS Gen III and IV engines equipped with GM LS1/LS2/LS6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and a 105 mm throttle or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front-feed configuration. The modular design allows the use of front-feed plenum entry, while intake design facilitates custom inlet duct and throttle body placement. Additional features and specs: * Cast aluminum construction with satin silver finish * Modular design allows the use of front-feed plenum entry * Clears 4th Gen Camaro and C5 Corvette cowls and hoods without modification * With forced-induction and the short runner length the engine rpm at which peak power occurs is more likely to be coupled to the supercharger or turbocharger being used * High-volume fuel rails and mounting hardware included with 3/4 in.-16 O-ring ports (8 AN) * Fuel rail kits include two sets of brackets; a set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors
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$999.95
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$1,016.95
Get your LS on the high road to performance with Holley modular Hi-Ram EFI intake systems. Aggressive, bold, race-bred styling makes these Hi-Ram intake systems perfect for creating your custom induction system. These cost-effective Holley systems are constructed from cast aluminum with runner lengths and tapered cross-sections designed to perform well with a wide range of engine configurations. If you don't have hood restrictions, the coolest look with the hottest power possibilities is available with Holley LS modular Hi-Ram EFI intake systems--and they hurt your budget either!
Not Yet Reviewed
$899.95
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$999.95
On Sale
Aeromotive dual-action adjustable fuel logs incorporate new features previously unavailable. Each carburetor inlet uses a ball and socket assembly that swivels 20 degrees, allowing additional clearance for throttle stops, throttle linkage, and other accessories. They offer a healthy inlet that can feed high-horsepower engines and feature manufacturing from quality materials and a strong finish, providing durability and great looks. They also provide dual NPT ports (machined in) that allow you to install fuel pressure gauges or pressure transducers. Set a new standard for your ride with the Aeromotive dual-action adjustable fuel logs quality-engineered to fit!
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$847.70
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$881.65
$762.93
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$793.48
If you have a carbureted vehicle and you're on a budget or are just getting started, Nitrous Express Stage 6 nitrous systems could be the ideal beginning point. They're tunable to deliver power boosts in six graduated increments, from 50 hp all the way up to 300. That means you can pick one of the lower increases for an engine that's close to stock, and then ramp things up later on when you add forged pistons. Systems include: * Nitrous distribution plate * Supply hose and fittings * Solenoids * Switches * Wiring * Jets * Mounting hardware * Race fuel required for increases above 150 hp
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$750.64
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$992.20
Nitrous Express has a nitrous system for people with carbureted vehicles whose high performance philosophy is "too much is almost enough." Their Pro Power plate systems crank out power in spades, from a 100 to as much as a 500 hp increase over stock at the wheels. The heart of these systems is the "Next Generation" Phase 3 distribution plate, which has no spray bars to sag, split, or disturb the airflow into the manifold. Race fuel is required for increases above 150 hp. The kits come complete with: * Nitrous bottle and stainless steel mounting brackets * Solenoids * Relay * Supply line and fittings * Switches * Wiring * Mounting hardware
( 2 )
$949.89
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$1,100.02
If you're just getting into nitrous, or are on a budget, and you're looking for a powerful basic system that you can upgrade to higher performance later on, Nitrous Express has the answer. Their Hitman Plus systems can deliver from 50 to 200 hp, in 50 hp increments, right out of the box. However, you can upgrade them to 300 hp just by changing the nitrous solenoid and jetting, or you can jump up to full Stage 6 levels whenever you want. Kits include the nitrous distribution plate, bottle and mounting brackets, supply hose and fittings, switch, wiring, and solenoids.
Not Yet Reviewed
$790.21
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$980.26
On a budget, but still looking for nitrous for your carbureted ride? Hitman nitrous systems from Nitrous Express can deliver the goods--from 100 to 200 hp, in 50-hp increments--at a price that will appeal to the budget-conscious. They're also great introductory systems if you're just getting into nitrous. On top of that, they feature the "Next Generation" Phase 3 distribution plate that delivers superior distribution and atomization of the fuel and nitrous. Plus, there are no spray bars to sag, split, or disturb airflow into the manifold. The kits include an optional nitrous bottle with a Pure-Flo valve, stainless steel mounting brackets, solenoids, a supply hose, fittings, a switch, and wiring.
( 3 )
$818.88
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