Automotive Ignition & Electrical Supplies at Summit Racing

Holley HP EFI ECU and Harness Kits

Holley HP EFI ECU and harness kits allow you to manage automotive functions—like the fuel and ignition of your engine, along with controlling nitrous, boost, or water/methanol. Select the model with options needed for your vehicle application. (Note: some models are engine-specific.) Features and notes: * Eight sequentially driven 8:2 peak and hold injector drivers capable of driving up to 16 low or high-impedance injectors are standard * 8-channel distributorless ignition (DIS) outputs capable of directly driving "smart" ignition coils or Holley DIS coils * Integrated, single-channel wideband oxygen sensor control. Works with NTK or Bosch sensors. More channels can be added via CAN bus. * Internal data-logging is standard, with a huge 2GB of memory * 4-stage progressive nitrous control * Turbo boost control * Integrated water/methanol injection control * Self-tuning fuel table strategy greatly simplifies tuning process * Individual cylinder fuel and spark control allow you to unlock your engine's potential * Compatible with 4, 6, and 8-cylinder engines * Unique lbs./hr.-based fueling strategy greatly simplifies tuning * Advanced idle, closed loop, and enrichment strategies allow for very stable operation * Fully potted and can be mounted in the engine compartment or interior * Sealed automotive and marine-grade connectors * Allows for use of common OEM sensors, as well as customer sensor calibration input * Ignition plug-and-play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic, and hall effect trigger, and other ignition systems * 1-5 bar MAP sensor capability * 2-channel knock control sensor inputs for both one and 2-wire knock sensors * Dedicated fuel and oil pressure inputs * Control both stepper and PWM idle air control (IAC) motors * Speed density, Alpha-N, or combination fueling strategies * Four programmable high or low pulse width modulated (PWM) outputs and four fully configurable inputs can be configured for use * Lean or rich safety cutoff

4.44 out of 5 stars ( 25 )

$1,999.95

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$3,849.95

Holley Replacement Terminator EFI Engine Control Modules

Bolt-on Holley replacement Terminator EFI engine control modules, answer a few basic questions, and let the Terminator EFI take control of your ride! The modules require no laptop--they self-tune instantly to deliver the perfect air/fuel mixture in real time for optimized fuel economy and power.

Not Yet Reviewed

$2,199.95

Holley EFI 8-Channel CAN EGT Controllers

Holley EFI 8-Channel CAN EGT (Exhaust Gas Temperature) controllers are designed exclusively for use with Holley's 8-Channel EGT monitoring kit to measure both exhaust gas and cylinder head temperature. Knowing the exhaust gas temps of each cylinder in your engine may not only help you find potential horsepower that you've left on the table, but also pinpoint weak links your engine may have—allowing you to perform fuel adjustment at the cylinder level. Features include: * 8-Channel CAN EGT module * Plug-and-play for a quick and easy installation * EGT module main harness (4 ft.) * Compatible with Holley HP and Dominator ECU * Requires EGT probes (sold separately) * Requires V5 Build 100 or newer software/firmware

5.0 out of 5 stars ( 1 )

$876.95

Holley Terminator X MAX Engine Control Modules

Holley Terminator X MAX engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each X MAX ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, electronic transmission control, drive-by-wire throttle body control, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more. Order your Holley EFI Terminator X MAX Service ECU today. Features: * Compatible with all Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (fuel and oil pressure inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories, such as: -- Fans, boost control, nitrous control, IAC kit, and more * GM LS and LT, Ford Coyote, and Mopar Gen V drive-by wire throttle body control * GM 4L60 and 4L80, and Ford 4R70W transmission control * Boost Control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous Control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant

4.29 out of 5 stars ( 7 )

$1,199.95

Holley Terminator X Engine Control Modules

Holley Terminator X engine control modules are standalone units intended for use as service components for your Terminator X EFI installation. Each ECU features real-time fuel learn, high-impedance injector drivers, an integrated 1 Bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are ideal for electric fans, boost control solenoids, or progressive nitrous control. Order your Holley EFI Terminator X Service ECU today. Features: * Compatible with Terminator X harnesses * OEM (Original Equipment Manufacturer) injectors supported with part numbers provided in the handheld wizard or software * Bosch LSU 4.9 wideband control (will not work with LSU 4.2 oxygen sensors) * Eight built-in multi-color diagnostic LEDs allow you to quickly identify a variety of potential system issues, such as: -- A failed TPS (Throttle Position Sensor) Autoset -- Faulty crank or cam sensors -- Potential oxygen sensor issues * Built-in 1 Bar MAP (Manifold Air Pressure) sensor -- On boosted applications, you can disable the internal MAP sensor and utilize an external MAP sensor * Four inputs—12 V, Ground, 5 V, and Frequency for things, such as: -- Additional pressure sensors -- Activation triggers for nitrous activation -- A trans-brake (Fuel and Oil Pressure Inputs are pre-terminated) * Four outputs--Ground, PWM, and accessories such as: -- Fans, boost control, nitrous control, IAC kit, and more * Boost control: -- Boost vs. Time/Gear/RPM/Speed, and boost safeties * Nitrous control: -- Single channel of wet or dry -- Progressive or non-progressive -- Rich/lean safeties -- Target closed loop AFR * Advanced tables: -- Four 1D tables -- One 1D per gear table -- Four 2D tables -- One 2D per gear table * Free EFI tuning software for complete control of your Terminator X powerplant

Not Yet Reviewed

$849.95

Holley Single-Channel EGT Controllers

Holley Single-Channel EGT controllers are designed for use with a K-type thermocouple using a "mini-K" connector. The module's accurate temperature measurement range is 32-2,282 degrees F (0-1250 C), with an accuracy of +/- 5 degrees F. The module is available in two versions: either CAN 1CH EGT, which is a plug-and-play installation for compatibility with Holley EFI products, such as HP and Dominator EFI systems; or Analog module, 1CH EGT with a "flying lead" with three wires exposed for power, ground, and signal for non-Holley EFI installations. Order the EGT controller suited to your application needs. Plug-and-Play, 1CH EGT controller features: * Supplied harness features two CAN connectors (one male, one female) that plug into the Holley main harness (or P/N: 558-412 kit Dominator only) * LED: Green LED indicator on unit shows solid green color to signify device is operational; flashing LED alerts no thermocouple connected or it failed * Note: before mounting, it is recommended you record the CAN ID Serial number from the sticker on bottom side of the unit for use during software setup * Mounting: EGT module is designed to be installed with zip-tie or a pair of #6 or #8 screws * Software setup * Important note: Requires software and firmware Version 5 Build 31 or later Analog module, 1CH EGT controller features: * Wiring: harness is a "flying lead" with three wires exposed for power, ground, and signal (red wire: power 6.5 V-24.0 V; black wire: ground; and tan wire: Analog output) * Outputs a 0-5 V and can be used with systems that have configurable 5 V inputs * LED: Green LED indicator on unit shows solid green color to signify device is operational; flashing LED alerts thermocouple not connected or it failed * EGT module is designed to be installed with zip-tie or a pair of #6 or #8 screws * Analog setup: analog output scaling is accurate between 0.5 and 4.5 V and covers temperature range of a K-type thermocouple

Not Yet Reviewed

$182.65

Holley EFI Single-Channel EGT Kits

Introducing the Holley EFI Single-Channel EGT kits! They keep you in-the-know about what's going on with your engine. Exhaust gas temperature data is critical information when your engine tune-up seems to be on the ragged edge. Knowing the exhaust temp can help you identify potential horsepower left on the table, or pinpoint any weak links in your max effort race engine. Holley offers these EFI Single-Channel EGT kits for non-Holley applications, as well as compatibility with HP Tuners, Dominator EFI, and Terminator X. Order the Holley EFI Single-Channel EGT kit to meet your application needs. Kit features, specs, and parts may include: * Single-Channel CANbus EGT controller module for quick and easy installation with Holley EFI—or Single-Channel Analog EGT controller with unterminated output wires for universal installations (please specify when placing order) * High-quality 1/4 in. stainless steel EGT weld bung * Robust 1/4 in. probe designed to withstand extreme cylinder pressures * Sensor (included) is designed to work with any engine combination, with an open reinforced tip for the fastest response rate and improved shielding

Not Yet Reviewed

$312.95

Holley Ford Modular Ignition Coil Harnesses

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.

5.0 out of 5 stars ( 1 )

$206.95

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$649.95

Dakota Digital EFI Interface Modules

With Dakota Digital EFI interface modules you get more usable data—without adding more gauges! Their BIM Series of modules collect and output available readings from your system to compatible Dakota Digital VFD3, VHX, HDX, and RTX control box instrument systems. Dakota EFI interface modules are available to work with many aftermarket fuel injection kits, from AEM to MSD. In addition, for ease of installation, they are designed as direct plug-ins using the supplied harness for your specific application. The engine and transmission information that is available from the units depend on your system's module programming and add-ons. The possible values may include, but are not limited to: * Engine rpm * Engine coolant temperature * Intake/manifold air temperature * Fuel pressure * Oil pressure * Air/fuel ratio * Boost * MAP * Speedometer * Transmission temperature

4.77 out of 5 stars ( 26 )

$133.00

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 application requirements.

4.33 out of 5 stars ( 48 )

$199.95

Holley Hemi V8 Ignition Coil Adapter Harnesses

Holley Hemi V8 ignition coil adapter harnesses let you take charge of your engine by controlling both fuel and spark. They are built to fit and function with the factory harness. The harnesses feature TXL-grade copper wiring with minimal weight, plus high-temperature sleeves in a small diameter. Factory-style terminations provide a strong, secure connection.

4.0 out of 5 stars ( 1 )

$187.95

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$199.95

Holley Sniper 1 EFI to Sniper 2 EFI Adapter Harnesses

Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? This harness is designed to do exactly that! The Holley Sniper adapter harness is a plug-and-play solution to connect your existing Sniper 1 wiring harness to a Sniper 2 throttle body! It can be used with any Sniper 2 system that is not equipped with a power distribution module (PDM). Simply remove your Sniper EFI throttle body from the intake manifold, unplug all of the connectors, 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 choosing, and enjoy the benefits of Sniper EFI 2. Make the switch to Sniper 2 in minutes! Sniper EFI 2 is a high performance electronic fuel injection system designed for a wide range of engines and horsepower goals. It provides improved engine performance, better fuel efficiency, and easier starting, making it the perfect upgrade for any enthusiast looking to take their ride to the next level. With its easy installation and advanced technology, the Sniper EFI 2 is the ultimate fuel injection system for any conventional V8 engine. Features: * Update your Sniper 1 to Sniper 2 in less than an hour: One-step, plug-and-play upgrade from your existing Sniper EFI install to a Sniper 2 throttle body * Eliminates the need to rewire your existing Sniper EFI installation * The wiring harness included with the Sniper 2 kit will not be used. This adapter is intended to be used with the original Sniper EFI wiring harness and new Sniper 2 EFI throttle body Sniper 2 EFI benefits: * (NEW) Next Generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)  * (NEW) "Hidden Harness" wiring harnesses exit from the rear of throttle body for a clean appearance  * (NEW) Inputs and outputs consist of: 2x ground inputs, 2x ground outputs, 1x TPS output (0-5 V) and 1x tach output  * (NEW) 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 

5.0 out of 5 stars ( 2 )

$56.09

On Sale

Holley Sniper HyperSpark Ready to Run Small Cap Distributors

Holley Sniper HyperSpark ready to run small cap distributors adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an ignition box or external coil driver. The design includes a single Hall Effect sensor providing engine rpm to the ECU. The precision shutter wheel design ensures accurate timing, even at very high engine speeds. They can also be used with other EFI systems that support a Hall Effect crank signal input. Order the model designed for your application needs. Features: * Easiest plug-and-play way to add timing control to any Sniper EFI installation * Designed to work with HyperSpark ignition coil (PN: 556-152); also compatible with most canister ignition coils using the supplied ring terminals * Built-in ignition coil driver, safely provides enough spark energy for applications up to 450 hp * Patented clear installation cap eliminates any confusion while installing the distributor * Cast aluminum distributor housing looks right at home in nearly every engine bay * Comes with cast gear installed—contact camshaft manufacturer for recommended gear material * Comes with steel gear for SBF applications with an aftermarket camshaft * Precision shutter wheel provides the ECU a clean rpm signal via a single Hall Effect sensor, ensuring accurate timing even at high engine rpm * Shutter wheel design allows for a "timed sequential" fueling strategy with Terminator X, HP, and Dominator ECU's * Includes wire retainer for a clean installation

3.5 out of 5 stars ( 2 )

$549.95

$302.95

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$549.95

Holley ECU Mounting Brackets

Holley ECU mounting brackets allow you to comfortably install either the Dominator ECU, Holley HP, Terminator X, or Terminator X-MAX under your Mustang's front passenger seat. They're designed to work with stock seats and seat tracks (modified/race seats may or may not accommodate them). You simply route all your ECU harnesses through the firewall--properly route the wires, install the unit followed by the ECU, and then reconnect your wires and go! Use your laptop to fine-tune the ECU without popping the hood and protect it from engine bay heat with Holley ECU mounting brackets. Order the brackets recommended for your application.

4.33 out of 5 stars ( 3 )

$103.95

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$110.95

Holley Sniper MAP Sensors

The pressure inside the intake manifold is an extremely important input to the engine control unit. Holley Sniper MAP sensors respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging from 1-5 volts. These replacement sensors will handle applications up to 25 lbs. of boost. Additional notes: * Utilizes stock attaching points * Sensor monitors manifold vacuum, varying output voltage to the ECU as a function of load placed on the engine—providing necessary data to control fuel enrichment

4.33 out of 5 stars ( 3 )

$35.65

Champion Copper Plus Spark Plugs

Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. They feature nickel alloy centers and ground electrodes with efficient wear characteristics. In addition, the spark plugs' extrusion of copper into the center electrode allows for increased conductivity and heat control. Manufacturers have used them in non-automotive applications, such as lawn and garden and other power equipment. Replace your old plugs with Champion Copper Plus spark plugs for maximum reliability.

4.82 out of 5 stars ( 176 )

$3.99