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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
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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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Holley Sniper in-tank retrofit fuel pump modules offer the easiest way to convert your vehicle to an in-tank EFI fuel system. Available in return and returnless versions, these 340 lph pumps are easy to install with basic hand tools and require no welding or fabrication. They include a diecast pump hanger bracket to control pump vibration in a low-profile design that's perfect wherever space is at a premium. You can locate the module beside your existing sending unit anywhere in the tank and rotate it a full 360 degrees to work flawlessly with various plumbing and wiring configurations. Once the module is installed, all you need to do is connect your power source/ground and fuel lines. Up your fuel game with an assist from the Holley Sniper in-tank retrofit fuel pump modules best suited for your application. Features and specs include: * Models available for various fuel tank depths, including adjustable (7-12 in.) versions * The low-profile design is only 1.275 in. thick above the tank mounting surface for added clearance when needed * The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit and rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations * Diecast aluminum construction for corrosion resistance and long-lasting good looks
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Holley OEM-style EFI fuel tank modules are designed as a direct replacement for your factory pick-up and sending unit. There's no need for modifications—and you won't have to replace your fuel tank! You can even retain the factory fuel hard line; just connect the outlet of the pump module to the hard line on your vehicle with some EFI-rated fuel hose and hose clamps. Order the model designed for your vehicle application. Additional features of Holley OEM-style EFI fuel tank modules: * Module includes a pre-calibrated fuel-level sending unit that is designed to work with the factory fuel gauge already in vehicle * Holley includes a HydraMat with its unique internal reservoir to keep fuel available at the pick-up, while also providing protection from contaminates * Fuel pressure is regulated internally and preset at 58 psi, eliminating the added expense of purchasing an external fuel pressure regulator * No return line needed (all return fuel is handled inside the tank)
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Holley EFI speedometer gauges complement your other instruments with precision and style. Designed specifically for use with Holley EFI systems, they can also be used as a standalone unit—and are available in two sizes, in both black and white face versions. The gauges are compatible with all Holley EFI touch screens, dashes, hand-held tuners, and other CAN devices, making them great for Holley EFI users looking to install a combination of needle gauges and LCD accessories. Holley EFI speedometer additional details: * Wire directly into the vehicle's 16-pin OBDII data link connector * Operate by receiving data from the ECU through the OBDII data link connector * 0 to 160 mph range with multi-function LCD display, including mileage/trip odometer and peak speed recall * Slim-style mounting requires very little dash space for installation * 240 degree sweep pointer from 8 to 4 o'clock makes gauges easier to read at a glance * Internal microprocessor ensures accurate pointer movement in street and racing conditions * Spin-lock ring threads to back of gauge case for simple and secure gauge mounting * CNC-machined billet aluminum threaded bezels with anodized finish
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Holley drop-in fuel module assemblies cover a wide range of vehicles and performance expectations—including dual pump designs. These replacement assemblies meet the highest-quality standards offered for increased performance and fuel efficiency. Holley drop-in fuel modules are capable of supporting 550-plus horsepower right out of the box! Dozens of models are available, with flow rate options between 50 and 277 gph. Order the fuel module recommended for your vehicle. Features may include: * Plug-and-play wiring harnesses * Integrated fuel storage and filtration technology * Built-in, pre-calibrated fuel level sensors * HydraMat filter (keeps fuel available at the pick-up during radical maneuvers and provides contamination protection) * Most models include sending unit
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Holley electric in-tank fuel pumps provide the extra fuel required after completing other engine modifications, such as adding performance camshafts, headers, larger injectors, and so on. They use a proven gerotor-type pump and are compact enough to fit existing hanger assemblies. They're also designed for easy installation and come complete with instructions and all necessary parts, including a new strainer-type fuel filter. Dozens of models and options are available; order the fuel pump recommended for your vehicle.
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Holley's incredible line of digital precision gauges with an analog-look includes Holley GPS speedometers. They're offered in 3 3/8 in. and 4 1/2 in. diameter versions, with black or white face. You won't find a better GPS-based speedometer on the market. No connection to the transmission is required, so they're a breeze to install. In addition to mph, they show quarter-mile time; 0-60 mph time; mileage/trip odometer; direction; and time of day. Additional GPS speedometer details: * GPS antenna with a 15 ft. long cable allows you to place the antenna in the most convenient location—nearly anywhere in or on the vehicle * Hot-start feature means that the GPS is usually displaying speed data within 2-3 seconds of power-up * Compatible with Holley EFI touch screens, dashes, hand-held tuners, and other CAN devices * 240-degree sweep pointer from 8 to 4 o'clock makes them easy to read at a glance * Internal microprocessor ensures accurate pointer movement in street and racing conditions * Spin-lock ring threads to the back of the gauge case for simple and secure mounting * CNC-machined billet aluminum bezels with anodized finish—threaded for easy replacement
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Holley Model 4150 aluminum Double Pumper carburetors offer an improved fuel design and efficient construction features for huge 38 percent weight savings over standard carbs. Optimized for street and strip calibration, they provide great performance right out of the box. Holley carburetors include dual accelerator pumps, mechanical secondaries, and dual-feed inlets for constant high-volume fuel delivery. Plus, with power-valve blowout protection and a 100 percent wet-flow test, these units set a standard for performance and reliability that's hard to beat. An attractive tumble polished finish is icing on the cake. Choose the Holley Model 4150 aluminum carburetor for your particular make and model.
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The Holley Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed automatic transmissions. Three part numbers cover a complete range of applications—all Sniper EFI systems, Sniper 2 EFI-specific (M8 CAN connection), or a full standalone unit. The Sniper specific applications connect to your Sniper EFI system via CAN bus and are programmed through the existing Sniper 3.5 in. touch screen. No programming is available with PC computer software; however, the transmission functions can be data-logged and reviewed with Sniper PC software. The Standalone version includes a dedicated 3.5 in. touch screen and is primarily intended for carbureted engine combinations. GM and Ford 4-speed electronic overdrive transmissions are simple in operation. They have four speeds, with the top gear being an overdrive; and all have a lockup torque converter that eliminates any slippage when the lockup is applied. With a stock torque converter, the lockup should only be applied under light throttle conditions or excessive wear will occur. Upshifts, downshifts, and torque converter lockup are based on vehicle speed and throttle position (or optionally the MAP sensor) and are adjustable with the 3.5 in. touch screen. P/N 551-100: Replacement controller unit only P/N 551-101: Controller unit and power harness only P/N 551-102: Standalone kit for carbureted applications (includes power harness and hand-held programmer) P/N 551-103: Controller unit and power harness for use with Sniper 2 EFI systems Holley Sniper Transmission Controller features: * Adds electronic transmission control functionality to a Sniper 2 * Controls conventional electronic 4-speed transmission applications. GM 4L60/70/80E and Ford AODE and 4R70W - transmission specific harnesses sold separately: -- 558-405 – GM 4L60/70/80E -- 558-455 – 2009+ GM 4L60E -- 558-470 – 1998+ Ford 4R70W/4R75W -- 558-471 – 1992-1997 Ford AODE/4R70W * Tuning is performed through the 3.5 in. touch screen LCD (included with the Standalone version). Future compatibility will include 5 in. display and Bluetooth module * Tune upshifts, downshifts and WOT shift points * Full programmability of torque converter lockup * Full tuning of transmission line pressure (shift firmness) * Controls and layouts interface mirror Dominator and Terminator X MAX ECUs (except no paddle shift) * A MAP sensor is needed if using MAP for line pressure, which is usually only done with forced induction applications
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Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.
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Holley universal 4-barrel 1000 cfm 4150 flange throttle bodies feature integrated throttle position, idle air control and intake air temperature sensors to work with your aftermarket multi-port EFI system. Their standard square bore mounting pattern is designed to fit perfectly on most intake manifolds and the stout 1,000 cfm can handle high horsepower with no problem. These units have a CFD computer-designed modeled air entry area--so maximum velocity and accelerated air speed are delivered to the engine. The high-flow idle air control passages are great for large cu. in. to aid in idle stability. Holley universal 4-barrel 1000 cfm 4150 flange throttle bodies have an integrated GM 700R4 transmission kickdown location, as well as a kickdown lever for use with Ford transmissions. They feature all necessary vacuum ports, one timed spark, two 3/8 in. and two 3/16 in. full manifold vacuum ports. The 1.750 in. diameter throttle plates are mounted to PTFE-coated throttle shafts for high flow and smooth feel. Their high-quality die cast aluminum construction provides excellent strength while reducing weight, and they're offered in your choice of tumble polish or hard gray anodized finishes.
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Holley in-tank retrofit fuel modules are the easiest way to convert your vehicle's factory tank or fuel cell to an in-tank, EFI fuel system—and gain all the benefits of a Holley Hydramat reservoir, as well. This conversion requires only basic tools, no welding or fabrication. The low-profile, aluminum module design includes a billet pump hanger bracket to control vibration; Holley's innovative clamping system and integrated fuel pump allow you to locate the module anywhere in the tank beside your existing sending unit. Once installed, simply hook up your fuel lines and your power source/ground, and you're ready to roll. Holley in-tank retrofit modules are available with fuel pumps for both return and returnless-style systems—and models to support various liters per hour (LPH). Additional details: * Installs in any fuel tank to fit a wide range of applications * The low-profile design is only 1.275 in. thick above the tank mounting surface for added clearance * Clamping system allows you to rotate the unit 360 degrees for easier clocking of plumbing and wiring * Hydramat fuel reservoir's 3 x 15 in. mounting flange has six clocking pin locations for 360 degree adjustment * Black anodized aluminum construction to resist corrosion * 1/4 in. NPT ports available for numerous plumbing options * Ideal for Terminator EFI, Sniper EFI, MSD Atomic EFI, or any TBI or EFI conversion * Optional rollover valve available
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With performance engines pushing redlines up higher and higher, alternators are being forced beyond their design. Holley's premium alternators can tolerate 30 percent higher rpms than conventional models. The attention to cosmetic detail on these units is above and beyond what you would expect, too. The entire outside housing has been sculpted for a smooth silhouette that hides the ugly details we typically think of as alternators. If you drag race, autocross, or just hot rod your ride, be assured that Holley premium alternators won't fly apart on you. Features: * Available in natural, black, and polished finishes * Works with all Holley accessory brackets, as well as 4th generation F-body, most 1998 thru 2004 GM trucks, and many other applications * 150 amp output * Smaller and lighter than Holley high-amp alternators * Housings are smoothed to make polishing clean (no buffer cut marks trying to get in tight corners) * Rear cover is aluminum instead of typical black plastic * Ideal when size and clearance matter * Black and polished pulley covers are available on models that don't already include them * Designed for use with Holley alternator weatherproof pigtails (not included)
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You will not find an easier way to upgrade your fuel system than the Holley Sniper OE Style 350 LPH EFI Fuel Pump Modules. 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. Because it was designed as a direct replacement for your factory pick-up and sending unit, there is no need to purchase a custom EFI fuel tank. You can even retain your factory fuel line. Simply connect the outlet of the pump module to the hard line on your vehicle with EFI-rated fuel hose and hose clamps available in the Earl's Vapor Guard Line. Features: * The in-tank fuel pump module is a high-pressure unit that flows 350 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 750 horsepower * Includes a pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for your application * Solves all the usual issues of converting from carburetor to EFI
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Holley LS split design carbureted intake manifolds are single-plane racing units designed with performance in mind. They feature a race-bred, 2-piece split feature that was previously only found on the most expensive race intakes. The manifolds will fit GM LS Gen III engines with cathedral port heads—and are intended for 4150-style square bore flanged carburetors or throttle body EFI. The LS Race single-plane intake manifold was designed for high performance/racing engine applications, 5.3 to 6.2+ liter displacement—and maximum engine speeds of 6,000 to 7,000 rpm, depending on the engine combination. This single-plane design provides optimal performance across the rpm spectrum, while providing maximum performance up to 7,000 rpm. Features include: * Maximum performance race design with hood clearance consideration * Lighter than other split race intakes * Split feature allows disassembly of the intake for direct access to internal plenum and port surfaces, making custom porting and matching a snap * Shoulder bolt locators and O-ring seal make reassembly simple and precise * 33 to 50 percent the price of other split race intakes * Vacuum port options: Two 1/8 in., one 1/4 in., and one 3/8 in. NPT ports at the carb flange
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Holley diecast in-tank retrofit fuel pump modules are quick and easy ways to convert your factory tank or fuel cell into an EFI in-tank fuel system, while also adding the benefits of a Holley HydraMat in the process! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The aluminum module design includes a diecast pump hanger bracket to control pump vibration, while also providing a low-profile design to fit where space is at a premium. Holley's innovative clamping system and integrated fuel pump makes it a simple install. Interested in an EFI retrofit kit, but can't get past the complicated fuel system? Holley diecast in-tank retrofit fuel pump modules are your solution. They're available in various flow rates, as well as return and returnless versions. Features include: * Installs in any fuel tank from 6.5 in. to 12 in. deep (depending on kit) to fit a wide variety of applications * The low-profile design is only 1.275 in. above the tank mounting surface for added clearance when needed * The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit * The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride * Includes innovative Holley HydraMat to ensure consistent fuel supply. The 3 in. x 15 in. HydraMat mounting flange has six clocking pin locations to allow for 360 degrees of adjustment to clear sending unit levels or any tank floor restrictions that you might encounter * Diecast aluminum construction for corrosion resistance and long-lasting good looks * 1/4 in. NPT ports for a wide variety of plumbing options * Ideal for Terminator EFI, Sniper EFI, MSD Atomic EFI, or any TBI or EFI conversion * Two different fuel pumps are available—255 lph or 400 lph for both return and returnless-style systems
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Holley 2300 model carburetors are perfect for racing classes where 2-barrel carburetors are required, or for hot rodders looking for something different. These units have many performance features—including a manual choke, center hung float bowl, universal throttle lever, all-metal parts, replaceable jets, a power valve, and high-flow venturi. Holley 2300 carburetors are available in universal and vehicle-specific applications.
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Holley products deliver the edge you need over the competition. Their Ford modular ignition coil harnesses offer true plug-and-play performance by using OE-style connectors to hook up to your factory coil packs, sensors, or control unit without any modifications. Among other functions, fully connected ECUs allow you to precisely regulate the fuel and ignition of your engine. These Holley complete harnesses enable applications with a single power adder to accommodate a greater number of controls. Order the model designed for your vehicle/engine.
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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
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Holley LS throttle bodies are unquestionably the biggest bore and most feature-loaded option available. Holley went back to the drawing board and built the ultimate air valve for your LS engine. They are available with huge 105mm or 95mm bores--and low rpm, drive-friendly tapers. The 105mm version is designed for drag race applications when wide-open throttle is all that matters. Features like idle bleed adjustment, TPS clocker, and PCV passage defeat valve units, making them the ultimate throttle bodies for ease of installation and tuning. Regardless of whether you have a turbo, supercharger, or a big cam engine sucking gulps of air, Holley LS throttle bodies are manufactured from high-grade billet aluminum, and black anodized to give them a modern tech look, they're maximized for your application.
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Holley air cleaner assemblies prevent debris from entering your air intake system—and look fantastic beneath your hood! These economical units are available in 2, 3, and 4-barrel fitments, as well as a variety of heights, shapes, diameters, materials, and finishes. The cleaners utilize an open element design, with a paper or washable cotton gauze filter included. Steel components are offered in a chrome plated or black powdercoat finish. Enhance your vehicle's airflow with a stylish Holley air cleaner assembly.
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Holley 450 lph fuel pump modules feature billet pump flanges that connect to either single or dual 450 lph pumps. They 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 for EPA compliance. Each Holley module also comes with all the parts and pieces necessary to complete the installation, including a 3 in. x 11 in. Hydramat filter that leverages surface tension to draw from nearly any area that has contact with fuel, eliminating starvation under hard acceleration or cornering. Holley 450 lph modules are all return style and all connectors used are DTM style. Choose the single or twin pump module for your car. Additional features and contents: * Anodized and laser-etched billet 6061 T-6 flange with 6AN ORB ports for feed, return, and vent * New gasket to complete installation * Wiring pigtails for the level sender and fuel pump * Fittings to connect to the factory 3/8 in. quick-connect feed and return lines * Flanges have been designed to be compatible with feed and return line sizes up to -8AN * Step-down butt connectors included to wire level sensor * Can be connected to factory EVAP system (with use of 12-874 and 935056ERL--sold separately)
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Holley 340 lph fuel pump modules feature billet pump flanges that connect to either single or dual 340 lph pumps. They 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 for EPA compliance. Each Holley module also comes with all the parts and pieces necessary to complete the installation, including a 3 in. x 11 in. Hydramat filter that leverages surface tension to draw from nearly any area that has contact with fuel, eliminating starvation under hard acceleration or cornering. Holley 340 lph modules are all return style and all connectors used are DTM style. Choose the single or twin pump module for your car. Additional features and contents: * Anodized and laser-etched billet 6061 T-6 flange with 6AN ORB ports for feed, return, and vent * New gasket to complete installation * Wiring pigtails for the level sender and fuel pump * Fittings to connect to the factory 3/8 in. quick-connect feed and return lines * Flanges have been designed to be compatible with feed and return line sizes up to -8AN * Step-down butt connectors included to wire level sensor * Can be connected to factory EVAP system (with use of 12-874 and 935056ERL--sold separately)
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