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EFI Kits, Fuel Injectors, Throttle Bodies & More

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Results 1 - 24 of 174

ICT Billet Throttle Body Bolts

ICT Billet throttle body bolts are the same quality bolts as supplied by the OEM. Each set of bolts are designed specifically for your application. To make sure your new throttle body is sealed properly, always use a new set of ICT Billet throttle body bolts.

5.0 out of 5 stars ( 1 )

$25.99

ICT Billet Fuel Rail Mounting Bolt Kits

ICT Billet fuel rail mounting bolt kits are designed for fastening stock fuel rails to the intake manifold. These hardware kits provide the correct thread and length needed for applications such as GM LS Series engines (1997-2014). The multi-piece packages include Grade 10.9 bracket bolts.

Not Yet Reviewed

$17.99

On Sale

Holley Sniper Throttle Bodies

With Holley Sniper throttle bodies, Holley engineers went back to the drawing board to build the ultimate air valve for your engine! They feature enlarged bore sizes, allowing for increased airflow to support your higher horsepower needs. A progressive throttle pulley enhances low-speed drivability, and a double return spring provides solid and secure throttle control feel. These units are maximized for your application, with a 4-bolt style mounting pattern; most models include bolts and gaskets. Order the throttle body designed for fitment with your year/make and engine family.

3.92 out of 5 stars ( 39 )

$349.95


$192.95

$365.95

On Sale

Holley Throttle Body Angle Adapters

Holley throttle body angle adapters resolve problems. The considerable angle of the LT intakes can cause issues routing inlet plumbing and clearance to aftermarket accessory brackets. These adapters level the throttle body for swap applications without changing the flow the GM design intended. Other four-bolt intakes with routing issues can also benefit from this adapter. Features and benefits of Holley throttle body angle adapters: * Billet aluminum construction * Maintains proper throttle body blade orientation * Eliminates drivability issues associated with inverting the throttle body * Allows clearance to aftermarket accessory brackets or other clearance and routing issues * No harness rerouting or extending required * Works with both truck and car LT intake bolt patterns * Works with all 4-bolt LS intake bolt patterns * Works with up to 95mm intakes and throttle body openings * Works with common LS and LT 104 x 70mm bolt pattern throttle bodies * Adapts common LS 104 x 70mm bolt pattern throttle bodies to LT 5.3L truck intakes * Works with Holley 92/95mm Hi-Ram and Mid-Ram intakes * Allows use of cable-operated and other throttle bodies on Gen V 5.3L intakes

2.6 out of 5 stars ( 5 )

$90.39


$81.35

$109.95

Volant Vortice Throttle Body Spacers

These Volant Vortice throttle body spacers are designed to squeeze a little more performance out of your car or truck. These throttle body spacers are made of an extremely durable, glass-filled nylon composite that will not corrode or deteriorate due to the elements. Volant designed these throttle body spacers to work with either your factory air box or Volant's own cold air intake to provide quicker throttle response and, in most applications, improved fuel economy. Volant provides all of the mounting hardware and gaskets required for your application to make installing your Vortice throttle body spacers easy.

3.82 out of 5 stars ( 44 )

$71.90

ICT Billet Throttle Body Adapters

Get connected with ICT Billet throttle body adapters. These adapter plates are offered for several different applications and are all made from aerospace-grade billet aluminum. Adapter plates are available in a variety of straight and tapered through-hole diameters.

4.57 out of 5 stars ( 30 )

$34.99

$58.99

On Sale

MSD Atomic AirForce Throttle Body Adapters

MSD Atomic AirForce throttle body adapters are designed to attach an OEM LS1/LS6 factory throttle body to an MSD Atomic AirForce polymer intake manifold. They're made from quality materials and install onto the MSD Atomic AirForce with no modifications.

5.0 out of 5 stars ( 1 )

$77.85


$58.39

ICT Billet Throttle Body Adapter Plates

ICT Billet throttle body adapter plates are made from aerospace-grade billet aluminum. They allow you to connect throttle body to intake or other components when mounting patterns, orientations, sizes, etc. don't match. Select the ICT throttle body adapter needed for your application.

Not Yet Reviewed

$34.99

On Sale

Holley EFI Dominator Throttle Bodies

Holley EFI Dominator throttle bodies are the ultimate air valves for your hotrod's powerplant. These billet aluminum 2,550 cfm throttle bodies are loaded with features that will make them at home on even the largest displacement engines. They showcase roller bearing throttle shafts for ultra-smooth throttle action, non-contact magnetic throttle position sensors (TPS) sensors, and index-able throttle levers. Their lightweight construction also features dual throttle blades for maximum airflow and they are available with and without supplemental injector provisions (four injectors per throttle body and rails). Want to maximize your engine's power? Whether you have a turbo, supercharger, or a big cam engine pumping massive gulps of air, Holley EFI Dominator-flange throttle bodies will make the most of your fuel injection.

Not Yet Reviewed

$2,199.95


$1,429.95

On Sale

Holley Sniper Throttle Lever Extensions

Holley Sniper EFI throttle lever extensions bolt directly onto your current throttle lever, increasing the mechanical advantage of your throttle cable, or rod. This results in a significantly decreased pedal effort, and smoother pedal feel, especially at low throttle input, such as when you are leaving a stoplight. They are ideal if a stiffer throttle pedal is noticed after an EFI conversion. Features: * Direct bolt-on installation * Hardware included * Decreases pedal effort for smoother driving characteristics * Corrects poor throttle cable/rod geometry

4.55 out of 5 stars ( 64 )

$19.97


$17.97

Top Street Performance Velocity Throttle Bodies

Featuring CNC-machined aluminum housings, TSP Velocity large throttle bodies provide maximum airflow for mid to high-range hp engines. Combined with a Top Street Performance fabricated intake manifold, they'll give your street or strip car a cosmetic and performance boost guaranteed to turn heads. For a great and economical way to increase the overall performance of your LSX engine, order the Top Street Performance throttle bodies best suited for your LS application. More product features include: * GM LS style 4-bolt pattern and drive-by-wire or cable design (depending on application) * Intended for stock idle air control motor and throttle position sensor * Available in different sizes and finishes

1.0 out of 5 stars ( 1 )

$185.18

Holley Sniper EFI Throttle Body Adapter Plates

Holley Sniper EFI throttle body adapter plates will allow the use of a Sniper throttle body on a factory intake with a different size opening. The plates are constructed of billet aluminum for superior strength, anodized for protection, and available in different bore sizes to match Sniper throttle bodies. Order the model designed for your engine application.

5.0 out of 5 stars ( 1 )

$43.69

$48.25

ICT Billet Throttle Body Spacers

ICT Billet throttle body spacers are designed to give you the clearance you need when swapping throttle bodies on your LS engine. Made from billet aluminum with a natural finish, these spacers include the hardware needed for a proper installation.

4.33 out of 5 stars ( 3 )

$36.99

$58.99

Dorman Water Separator Valves

Dorman water separator valves are designed to drain water from the fuel filter. They include new mounting hardware and install in the stock location with no modifications. The valves are built from quality materials to factory specifications to ensure a direct fit.

3.4 out of 5 stars ( 5 )

$103.99

On Sale

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

4.21 out of 5 stars ( 29 )

$1,249.95

$1,499.95


$1,123.95

$1,348.95

On Sale

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

4.67 out of 5 stars ( 18 )

$1,749.95

$2,549.95


$1,573.95

$2,293.95

On Sale

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

3.58 out of 5 stars ( 24 )

$1,649.95

$1,899.95


$1,483.95

$1,708.95

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

4.09 out of 5 stars ( 69 )

$899.99

On Sale

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

4.22 out of 5 stars ( 9 )

$1,349.95

$2,149.95


$1,213.95

$1,933.95

On Sale

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.

4.0 out of 5 stars ( 4 )

$2,349.95

$2,749.95


$2,113.95

$2,473.95

On Sale

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

4.09 out of 5 stars ( 56 )

$1,199.95

$1,549.95


$1,078.95

$1,393.95

On Sale

Holley Terminator X Stealth 4150 EFI Fuel Injection Systems

Holley Terminator X 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 Stealth 4150 systems also include transmission kick-down provisions for GM TH350, TH400, 200R4, 700R4, and Ford's C4 and C6 applications!

3.88 out of 5 stars ( 8 )

$1,949.95

$2,449.95


$1,753.95

$2,203.95

On Sale

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


$1,888.95

On Sale

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


$988.95

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