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EFI Kits, Fuel Injectors, Throttle Bodies & More

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Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems

Holley Sniper 2 EFI Base Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI conversion more simple, 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, with 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 begin self-tuning 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. Main features: * Only 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM * Innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit and can be rotated 360 degrees for easier clocking. * Main harness includes plug-and-play HyperSpark distributor support for integrated timing control, making your ignition setup hassle-free * Wide variety of tuning and gauge display options: from a 3.5 in. full-color LCD hand-held, 5 in. digital dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2 * Female -6 AN O-ring fittings * Overall height is only 3.280 in. * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * For applications using a vehicle specific EFI conversion tank and fuel pump, or already having a fuel system capable of the required 55-65 psi, these systems are offered without a pump and fuel lines * 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 * 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 * The included Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor install with stainless steel T-bolt clamps and a stainless steel weldable oxygen sensor flange * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected

4.28 out of 5 stars ( 25 )

$1,249.95

$1,499.95

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems

Holley Sniper 2 EFI Inline Pump Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI conversion more simple, 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, with 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 begin self-tuning 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. Main features: * Only 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM * Includes 20 feet of 3/8 in. vapor guard fuel hose, filters for before and after the pump, fittings and hardware, cushioned mounting brackets, and an external, inline pump * Can be used with 3/8 in. factory sending units or add a dedicated bulkhead fitting * Innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit and can be rotated 360 degrees for easier clocking. * Main harness includes plug-and-play HyperSpark distributor support for integrated timing control, making your ignition setup hassle-free * Wide variety of tuning and gauge display options: from a 3.5 in. full-color LCD hand-held, 5 in. digital dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2 * Female -6 AN O-ring fittings * Overall height is only 3.280 in. * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * Requires 55-65 PSI * 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 * 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 * The included Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor install with stainless steel T-bolt clamps and a stainless steel weldable oxygen sensor flange * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected

3.64 out of 5 stars ( 22 )

$1,649.95

$1,899.95

Holley Replacement Pressure Transducers

Help your fuel injection system keep up on measured pressures with these Holley replacement pressure transducers. They include a wiring pigtail, are available for all Holley EFI fuel injection systems and come in different pressure ranges to suit your engine applications requirements.

4.33 out of 5 stars ( 48 )

$149.95

$212.95

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module

Holley Sniper 2 EFI Inline Pump Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI conversion more simple, 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. New for Sniper 2 is the Power Distribution Module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition wiring into one, easy-to-use location. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12 V source is all that's required to power the PDM and your Sniper EFI. Make your classic drive like a modern fuel-injected vehicle, with 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 begin self-tuning 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. Main features: * Only 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM * Includes 20 feet of 3/8 in. vapor guard fuel hose, filters for before and after the pump, fittings and hardware, cushioned mounting brackets, and an external, inline pump * Can be used with 3/8 in. factory sending units or add a dedicated bulkhead fitting * Innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit and can be rotated 360 degrees for easier clocking. * Main harness includes plug-and-play HyperSpark distributor support for integrated timing control, making your ignition setup hassle-free * Wide variety of tuning and gauge display options: from a 3.5 in. full-color LCD hand-held, 5 in. digital dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2 * Female -6 AN O-ring fittings * Overall height is only 3.280 in. * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * Requires 55-65 PSI * 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 * 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 * The included Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor install with stainless steel T-bolt clamps and a stainless steel weldable oxygen sensor flange * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected

4.87 out of 5 stars ( 15 )

$1,749.95

$2,549.95

FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems

EFI conversions made easy--FiTech Go Street EFI 400 hp systems are true carburetor replacements. And the price is a "Go" as well! Good for up to 400 hp, these 4-injector throttle bodies simply swap out your current 4-barrel carburetor for EFI performance. You don't have to mess with the ignition at all. It's too easy not to go for it--FiTech Go Street EFI 400 hp systems. Features include: * Self-tuning fuel injection * Latest Bosch 4.2 wideband oxygen sensor * ECU is mounted on throttle body * Universal base fits any 4-barrel manifold * Throttle linkage suits most transmissions * Three fuel inlet connections * Voltage control fuel pump control * Wet flow technology * Swirl spray annular discharge design * Built-in fuel pressure regulator * Designed for applications making at least 6 in. of vacuum at idle

3.82 out of 5 stars ( 218 )

$869.00

$1,319.99

Edelbrock Pro-Flo 4 EFI Systems

Edelbrock Pro-Flo 4 EFI systems provide you with a high performance traditional-style intake and 4150-style throttle body. Unlike regular throttle body EFI systems, Pro-Flo 4 features the fuel rails and individual injectors for each cylinder mounted on the manifold. This Edelbrock design produces the best fuel atomization and distribution for the ultimate performance, as well as delivering the most control and the most efficient way to deliver fuel to your engine. Along with innovative design, Pro-Flo 4 systems have the latest technology with an all-new ECU, and even more features for advanced tuning, with the key being their exclusive E-Tuner app with base calibrations developed on their dyno. Edelbrock Pro-Flo 4 EFI systems include and feature: * Engine Control Unit with faster processor and upgraded Bluetooth chip in a thinner waterproof design * Fully assembled intake manifold with air valve, fuel rails, and injectors * Fully assembled OEM high-quality wiring harness with pre-terminated connectors and labeled connection for a simplified installation * E-Tuner application for setup and engine monitoring * Wideband oxygen sensor * Distributor (not included with LS kits) * Gaskets and hardware * Installation instructions * Ready to run out of the box with pre-loaded calibrations * Self-learning technology--no tuning experience or laptop tuning required * Ignition control--adjust ignition curve with the E-Tuner 4 App for optimal performance and mpg * Offered with multiple fuel injector choices * Now boost compatible up to 15 psi by switching to a 2-bar MAP sensor and downloading the new firmware update from Edelbrock for free! It is recommended to regularly check for firmware updates even if not utilizing boost control. * Systems automatically compensate for altitude and weather changes * E-Tuner 4 app with Bluetooth connectivity between ECU and Android phone or tablet. Includes multiple dash display configurations for monitoring engine vitals and performance; multiple control functions including two adjustable cooling fan outputs, idle speed, AFR set points, acceleration fuel tuning, ignition control, cold start fuel, and cranking fuel.

4.15 out of 5 stars ( 124 )

$2,266.95

$3,239.95

Nick Williams Performance Drive-By-Wire Throttle Bodies

Nick Williams Performance drive-by-wire throttle bodies are precision CNC-machined from billet aluminum to meet the demands for increased airflow on the drive-by-wire LSX and LTX performance engines. These throttle bodies require an aftermarket intake to fit the larger diameter throttle blade. They use a 6-pin late model connector that works with late model wiring harnesses. Tuning is required for installation; and the Nick Williams Performance drive-by-wire throttle bodies come complete with stepper motor and electronics installed. There is no need to disassemble your factory throttle body. Order the model designed for your vehicle and engine application.

4.35 out of 5 stars ( 20 )

$690.00

$1,720.00

Summit Racing™ MAX-efi 500 Fuel Injection Systems

Summit Racing™ introduces its MAX-efi 500 Fuel Injector System, the most efficient way to convert your carbureted engine to premier EFI performance. These self-tuning throttle body units bolt directly to most 4-barrel manifolds; then, through their wideband oxygen sensor, the systems continually adjust fuel delivery to provide the optimum air/fuel ratio under all climate and altitude conditions. MAX-efi will support up to 500 hp, and the self-learning ECU allows for easy tuning. With safety in mind, these systems are also designed with a self-adjusting "limp home" mode to protect your engine if a sensor fails. In addition, they include a data-logging feature to track the system while it's running to ensure optimal performance. Other features of the Summit Racing™ MAX-efi 500 Fuel Injector Systems: * Powered by the most advanced self-learning technology available * 4-injector system is capable of supporting stock to 500 hp engines * High-flow aluminum throttle body with four 45mm diameter throttle bores * OE-quality wideband 02 sensor and TPS sensor included * Color touch screen hand-held controller * Billet aluminum anodized fuel rails * Compact external ECU for easy mounting * OE-style harness is clearly marked for easy installation and durability in extreme conditions * All sensors except the wideband 02 sensor and coolant temp sensor are integrated on the unit * Uses commonly available sensors for easy replacement if necessary * System uses a Temperature Manifold Absolute Pressure (TMAP) sensor instead of a MAP sensor, reading both air pressure and temperature * Fits square bore or spread bore intake manifolds. (Spread bore manifold requires an inexpensive plate to avoid leaks. See SUM-G1420) * Works with original carb-type distributor, factory-style throttle linkage, and most 4-barrel intake manifolds

4.07 out of 5 stars ( 68 )

$899.99

Holley EFI System USB Cables

Holley USB cables are sealed against dirty environments. These connector cables are designed to fit select Holley EFI systems. If your system's ECU is mounted in not-so-clean areas, use Holley sealed USB cables.

4.62 out of 5 stars ( 74 )

$80.49

$92.19

Holley Super Sniper EFI Stealth 4150 Fuel Injection Systems

Holley Super Sniper EFI Stealth 4150 fuel injection systems are what you need to convert your vehicle to fuel injection. Holley Super Sniper Stealth 4150 systems will also look great under the hood in your choice of shiny, ceramic black, and classic gold finishes. Features and benefits include: * Compatible with draw-through or blow-through forced induction applications * 2 Bar MAP sensor * Integrated ignition timing control * -6AN fuel inlets * High-resolution full color touchscreen for initial setup, tuning, and gauge displays * Simple calibration wizard--answer a few questions about your engine and it creates the base map, then starts tuning on its own! No laptop required * Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI * The included genuine Bosch LSU 4.9 wideband oxygen sensor provides real time Fuel Map Learn * Three programmable 0-5 V sensor inputs for oil/fuel/dome or nitrous pressure or other critical information * Six programmable ground outputs, five programmable ground inputs. These can provide the ECU with an input to turn on function, such as an ignition timing * One +5 V reference output, +5 V power supply for 0-5 V sensors, one sensor ground supply for 0-5 V sensors * Throttle body mounted ECU--no extra boxes to mount * Only 4 wiring connections required--battery +, battery -, switched ignition, and rpm * Required external fuel pressure regulator, 12-886 is recommended * OEM-style TPS/IAC, for years of dependable service * Included clamp-on oxygen sensor kit for 2.250 in. exhaust ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange

5.0 out of 5 stars ( 4 )

$2,099.95

Holley Sniper EFI Autolite 1100 Fuel Injection Systems

Holley Sniper EFI Autolite 1100 fuel injection systems let you convert your classic Autolite 1100 carburetor to EFI. These units offer superior throttle response and WOT power over the carb—and you will likely experience increased fuel economy. Put an end to cold start issues, hesitations, vapor lock, and flooding with the accuracy of EFI! You can also use the Sniper EFI to control the ignition timing, taking electronic fuel injection to the next level. These Holley upgrade systems feature a 100 lbs./hr. fuel injector capable of supporting 175 hp on naturally aspirated engines. For your high performance needs, look to Holley! Standard Sniper EFI system features: * Bolt-on Autolite 1100 carburetor replacement * Throttle body-mounted ECU; no extra boxes to mount * Only four wiring connections required: Battery +, battery -, switched ignition, and rpm * Internal fuel pressure regulator eliminated the hassle of plumbing an external fuel pressure regulator (preset to 58.5 psi) * Integrated ignition timing control * High-resolution full-color touch screen for initial setup, tuning, and gauge displays * Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!); no laptop required * Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI * The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time Fuel Map Learn * OEM-style TPS/IAC and fuel pressure regulator—for years of dependable service * Included clamp-on oxygen sensor kit for 2 in. exhaust ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange * Systems are an ideal conversion kit for 1963-67 Inline 6-cylinder Ford engines from 144 ci. to 300 ci.

4.2 out of 5 stars ( 5 )

$1,099.95

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module

Holley Sniper 2 EFI Base Fuel Injection Systems are self-tuning, easy-to-install, EFI conversions for 4-barrel (4150 flange) style carburetors. They took everything that they learned from the original Sniper EFI system and added new features that will make your EFI conversion more simple, 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. New for Sniper 2 is the Power Distribution Module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition wiring into one, easy-to-use location. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12 V source is all that's required to power the PDM and your Sniper EFI. Make your classic drive like a modern fuel-injected vehicle, with 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 begin self-tuning 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. Main features: * Only 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM * Innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit and can be rotated 360 degrees for easier clocking. * Main harness includes plug-and-play HyperSpark distributor support for integrated timing control, making your ignition setup hassle-free * Wide variety of tuning and gauge display options: from a 3.5 in. full-color LCD hand-held, 5 in. digital dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to your Sniper 2 * Female -6 AN O-ring fittings * Overall height is only 3.280 in. * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * For applications using a vehicle specific EFI conversion tank and fuel pump, or already having a fuel system capable of the required 55-65 psi, these systems are offered without a pump and fuel lines * 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 * 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 * The included Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning * Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor install with stainless steel T-bolt clamps and a stainless steel weldable oxygen sensor flange * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected

4.13 out of 5 stars ( 8 )

$1,349.95

$2,149.95

Holley Terminator X Max Stealth 4150 EFI Fuel Injection Systems

Holley Terminator X Max Stealth 4150 EFI systems feature 4 or 8, 100 lb. fuel injectors capable of supporting up to 650 hp naturally aspirated and 600 or 1250 hp on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! The throttle body has the standard 4150 carburetor flange so it will bolt down where your square bore carburetor was. Holley Terminator X Max Stealth 4150 systems provide transmission control for later model GM 4L60E and 4L80E transmissions.

3.67 out of 5 stars ( 3 )

$2,349.95

$2,749.95

Holley Sniper EFI 2300 Two-Barrel Fuel Injection Systems

Introducing Holley Sniper EFI 2300 two-barrel fuel injection systems! They're perfect for any vehicle that came standard with a 2300 Holley flange, like some Fairlanes, F100s, Javelins, Mustangs, Thunderbirds, Cougars, and more. These systems are economically priced so you can have all the benefits of EFI and still have money to finish or upgrade your ride! Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Features/Benefits: * Bolt-on 2300 flange carburetor replacement * Throttle body mounted ECU (kits only); no extra boxes to mount * Supports up to 350 hp with two 100 lb./hr. injectors * Only 4 wiring connections required! (Battery +, Battery -, Switched Ignition, and RPM) * Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (preset to 58.5 psi) * Integrated ignition timing control * High-resolution full color touch screen for initial setup, tuning, and gauge displays * Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own); NO laptop required! * Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI * The included Genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learn * OEM-style TPS/IAC and fuel pressure regulator for years of dependable service * Included clamp-on oxygen sensor kit for 2.25 in. exhaust ensures a leak-free oxygen sensor installation, with stainless steel T-bolt clamps and a stainless steel (weldable) oxygen sensor flange * Equipped with C4 / C6 Ford transmission kick down lever, as well as TH350, 400, and 700R4 provisions * Accepts many common 5 1/8 in. OEM or aftermarket air cleaner assemblies * Master Kit includes complete fuel system consisting of: 20 ft. of 3/8 in. vapor guard fuel hose, 12-920 fuel pump, filters, necessary hardware and bulkhead fitting to return fuel into the tank * Sniper EFI software free to download which allows for real time tuning

4.06 out of 5 stars ( 54 )

$1,199.95

$1,549.95

Injector Dynamics ID1050x Fuel Injectors

Injector Dynamics ID1050x fuel injectors are a built-to-spec motorsport injector, offering optimization of critical operating parameters important to you, the motorsport tuner. Built on the evolution of the ID1000 and X Series, these injectors are a drastic improvement over previous series from Injector Dynamics. Order the set recommended for your vehicle. Features include: * Requires only 8 V for consistent operation at 8 bar * Corrosion resistance makes them compatible with all automotive fuels * Compact bodies allow fitment in over 200 applications * Improved internal flow path—without sacrificing low flow performance * Stronger magnetic circuit offers stable operation up to 10 bar * Replaceable inlet filter extends service life

5.0 out of 5 stars ( 8 )

$268.80

$2,150.40

ACDelco GM Genuine Parts Fuel Injection Throttle Bodies

ACDelco GM Genuine Parts fuel injection throttle bodies are GM-recommended replacements for your vehicle's original component. It is located on the intake manifold, and contains the throttle plate(s) that control the air entering the engine. The throttle body also houses the fuel injector(s) on Throttle Body Injection (TBI) or Central Fuel Injection (CFI) systems. These true OE fuel injection throttle bodies have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

4.84 out of 5 stars ( 37 )

$56.99

$532.99

On Sale

ACCEL Fuel Injectors

ACCEL Performance fuel injectors provide precise control of fuel delivery and atomization for increased power, improved throttle response, and better fuel economy. They feature either a high or low-impedance design to function accurately with your vehicle's ECU. ACCEL fuel injectors come complete and ready for installation with precision-molded O-rings and fine-mesh fuel strainers. More product features and notes: * Utilize a new low-mass disc design that ensures a spray pattern for ultra-fine atomization and improved burn efficiency * Higher than stock flow rates may require reprogramming

4.79 out of 5 stars ( 219 )

$88.45


$39.50

$699.95

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems

When it comes to fuel injection versus carburetors, new school is just too cool. FiTech Go EFI 4 600 hp self-tuning fuel injection systems have the ECU mounted on the throttle body for greater self-containment, clean installation, and easy setup. These trick systems fit any 4-barrel intake manifold, and are designed for use on engines from 250 to 600 hp. They feature a built-in fuel pressure regulator, an ECU that finds the best tune and self-adjusts to it—and the ability to change air/fuel ratios and ignition timing on the fly. Each system has a hand-held controller with a touch screen for initial setup, throttle linkage that suits most transmissions, and is manufactured with OE engineering. FiTech Go EFI 4 600 hp self-tuning fuel injection systems leave the guesswork behind. Order the model with options best-suited for your application. Additional features: * Choice of three fuel inlet connections * Will work with CDI box, but not required to control timing * Adjustable fan control switch * Can be used with an engine-mounted returnless fuel command center * Uses easy-to-replace, GM-type sensors and Bosch 4.2 wideband oxygen sensors * Wet Flow swirl spray annual discharge obtains complete atomization * Voltage-controlling fuel pump control reduces power under low loads to lower temperatures * Systems with mounted ECUs offer spark control without the need for an external spark box or special distributor * Designed for applications making at least 6 in. of vacuum at idle

4.16 out of 5 stars ( 257 )

$999.00

$1,587.99

Bosch Motorsport Electronic Throttle Bodies

Bosch Motorsport electronic throttle bodies (ETBs) are designed to control the fresh air delivery of spark ignition engines in combination with an electronic throttle control (ETC) system. ETB applications with flex-fuel, CNG and LPG are permissible if injected in the air flow after the throttle body. A typical ETC system includes the following components: electronic throttle body, accelerator pedal module, and electronic control unit. Additional features of Bosch Motorsport electronic throttle bodies include: * Many bore diameters available * Opening direction: most are counterclockwise; select ETBs are clockwise * Two redundant sensors control the throttle position * All ETBs have an idle air position * Temperature range: -40 to 284 degrees F (-40 to 140 degrees C) * ETBs can be connected directly to control units with ETC functionality * Supply voltage: 6 to 16 V * Supply voltage sensor: 5 ± 0.2 V * Output signal I: 0 to 5 V for 0 to 90 degrees * Output signal II: 5 to 0 V for 0 to 90 degrees

4.59 out of 5 stars ( 22 )

$110.99

$176.99

Summit Racing™ Billet Throttle Bodies

Summit Racing™ billet throttle bodies are designed with larger openings (92mm or 102mm) to improve throttle response and provide maximum airflow. They're precision CNC-machined from billet aluminum and available in your choice of natural or black anodized finishes. Feed your LS engine the air it needs—and unleash its hidden horsepower! Order the Summit Racing™ replacement throttle body recommended for your vehicle.

4.88 out of 5 stars ( 24 )

$169.99

$180.99

ACDelco Replacement Fuel Injectors

ACDelco replacement fuel injectors help you to get maximum fuel efficiency and power from your engine. Properly operating fuel injectors are essential components for helping your vehicle run flawlessly. Replace any worn or faulty fuel injector with an OE-style model designed for your specific vehicle.

4.49 out of 5 stars ( 35 )

$30.99

$491.99

FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems with Force Fuel Systems

FiTech Go Street EFI 400 hp self-tuning fuel injection systems with Force Fuel systems make the switch from carburetor to EFI about as easy as it gets. Good for up to 400 hp, these 4-injector throttle bodies simply swap out your current 4-barrel carburetor for EFI performance. You don't have to mess with the ignition at all. The Force Fuel system helps quench its thirst with easy hookup and versatile mounting. FiTech Go Street EFI 400 hp and Force Fuel system combos are too easy not to go for! Order the model with options best suited to your application. Includes: * FiTech Go Street EFI 400 hp self-tuning fuel injection system * FiTech Force Fuel system

3.67 out of 5 stars ( 18 )

$1,235.99

$1,491.99

Holley EFI Terminator X Fuel Injectors

Holley EFI Terminator X fuel injectors feature a precision lapped disc valve, high-quality brass windings, and high-temperature O-rings. These injectors provide excellent linearity with no discernible "bounce" at low pulse widths as commonly found in other injectors. With a wide variety of fuel flow offerings from 42 lb./hr. to 220 lb./hr. you are sure to find an injector that matches your non-emissions-controlled application. Holley EFI Terminator X fuel injectors can also be used with any ECU that utilize high-impedance fuel injector drivers. Features: * PICO/EV6-style performance injectors are sold individually or in a set of 8 * High impedance for use with saturated drivers * Rated injector flow 220 lb./hr. at 43 psi of base fuel pressure * USCAR injector connector * 40mm O-ring to O-ring length * Compatible with many OEM LS intake manifolds * Easy to install in any Holley EFI Hi-Ram intake, using Holley fuel rail adapter kit

3.64 out of 5 stars ( 28 )

$71.29

$1,449.95

Holley Sniper 2 EFI Fuel Injection Upgrade Kits

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

3.79 out of 5 stars ( 19 )

$999.95

$1,399.95

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