Availability
Holley Sniper Replacement Terminator X Bluetooth Modules
Unlock the full potential of your Terminator X EFI system with a Holley Sniper replacement Terminator X Bluetooth module—the ultimate tool for wireless tuning and real-time engine monitoring. This advanced module connects via Bluetooth, allowing you to adjust and optimize your engine directly from your iOS or Android smartphone (tablets not supported at this time). Use by itself or in conjunction with Holley's suite of dashes. Additional details: * Wireless connection to your Terminator X or X Max ECU with a plug-and-play Bluetooth module * Compatible with iOS or Android-based smartphones for complete control of your Terminator X EFI system * Built-in Terminator X EFI Wizard, basic tuning, advanced tuning, and input/output control, as well as customizable data monitor * Quickly make basic or advanced tuning adjustments, change rev limiter RPM, or adjust idle settings without firing up a laptop * Customizable live dash display mode turns your phone into a digital dash, utilizing your phone's accelerometer to display vehicle speed * Mizu style CANbus connector makes installation easy and secure * Explore Holley EFI parts to upgrade your ride or easily access technical documents and installation articles for immediate assistance
( 5 )
$229.95
Holley Sniper 2 EFI Power Distribution Modules
Holley Sniper 2 EFI Power Distribution Modules (PDM) are cost-effective and optional accessories that isolate 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. The PDM also distributes power to your EFI fuel pump and a single fan (second fan can be ground triggered through the included input/output harness). Two additional 2-amp circuits can power low-current accessories like gauges or to trigger relays. Battery and a switched 12 V source are all that's required from your vehicle to power the PDM. Product details: * Provides conditioned Power, Ground and Switched connections for ALL components within a Sniper 2 EFI install. (Throttle Body, Fuel Pump, HyperSpark Ignition System, and Optional Fan) * 3 relay channels – 15 amp Powertrain (Sniper throttle body and ignition system) 25 amp - Fuel pump output – 25 amp fan output * LED status indicators, show you which channel is triggered at a glance * Removable cover for easy accessibility, with wiring diagram built into the lid, like a fuel panel
( 7 )
$193.95
Holley Replacement Fuel Injector Wiring Harnesses
These Holley replacement fuel injector wiring harnesses are replacements for the 8-cylinder injector harnesses. They connect the main harness to the injectors, routing the wires over the rail and making replacement a snap!
( 14 )
$152.95
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$204.95
Holley Dominator EFI Auxiliary Harnesses
Holley has put together a choice of several Dominator EFI auxiliary harnesses. These kits include the loose wires, connectors, inputs, and outputs needed to configure and customize your Dominator EFI system to meet your performance needs.
( 7 )
$179.95
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$233.95
Holley EFI Systems Wiring Harnesses
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.
( 32 )
$101.95
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$230.95
Holley Main Power Harnesses
Holley main power ignition harnesses are designed for use with your Holly EFI systems. These wiring harnesses work with other Holley components to correctly configure your EFI system.
( 1 )
$106.95
Holley Sniper 2 EFI PDM Main Harnesses
These Holley Sniper 2 EFI PDM main harnesses includes the switched 12V power wire, main battery power and ground, coil input wire, and HyperSpark distributor connector. They feature a braided split wire loom to keep the wires protected and your engine bay clean! They are intended to be used on applications with a PDM, and do not include a fuel pump relay. Holley Sniper 2 EFI PDM main harnesses include: * One 5 ft. 12 gauge main battery power wire * One 5 ft. 12 gauge main battery ground wire * One 30 amp fuse * One 20 ft. 20 gauge fuel pump trigger wire * One 3 ft. 20 gauge coil input wire * One 5 ft. 20 gauge switch 12V ignition wire
( 4 )
$149.95
Holley Dual Tank Fuel Pump Kits
Holley dual tank fuel pump kits will allow you to pick up additional fuel in the tank. They include an in-tank fuel pump, relay, wiring harness, and fuel filter. The fuel pump kits are available for 1, 2, and 4-barrel Pro-Jection systems.
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$149.95
Holley Sniper 2 EFI Bluetooth Modules
Holley Sniper 2 EFI Bluetooth modules, the cutting-edge solutions designed to take your vehicle's performance to the next level, provide unparalleled control and customization for your engine. Being able to wirelessly connect to your vehicle's EFI system using Bluetooth technology allows the convenience of adjusting and optimizing your engine parameters directly from your iOS or Android-based smartphone. Stay informed about your engine's performance with real-time monitoring, and receive instant updates on crucial metrics, such as fuel injection, air-fuel ratio, ignition timing, and more. Sniper 2 EFI Bluetooth modules empower you to fine-tune your engine parameters to match your specific driving preferences and performance requirements. The intuitive and user-friendly interface of the accompanying Sniper EFI mobile app makes tuning your Sniper 2 EFI system a breeze. Whether you're a seasoned automotive enthusiast or a novice, the Sniper 2 EFI Bluetooth modules ensure a seamless tuning experience for all users. Achieve the perfect balance between power, fuel efficiency, and responsiveness. Features: * Built in Sniper EFI Wizard, basic tuning, advanced tuning, and input/output control, as well as customizable data monitor * Quickly make basic, or advanced tuning adjustments, change rev limiter RPM, or adjust idle settings without firing up a laptop * Explore Sniper EFI ecosystem parts to upgrade your ride, or easily access technical documents and installation articles for immediate assistance * Next generation mil-spec-style M8 positive lock connector makes installation easy and secure
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$228.95
Holley Sniper 2 EFI Throttle Body System CAN Hubs
Holley Sniper 2 EFI throttle body system CAN hubs are cutting edge connectivity solutions designed to enhance your Sniper 2 EFI system's performance and monitoring capabilities. Featuring a high-speed USB laptop connector, each hub facilitates seamless tuning, configuration, and real-time data logging. Included is one M8 Sniper ECU connector for a robust and reliable connection to your engine control unit and three M8 display connectors, allowing for multiple displays to monitor critical engine metrics simultaneously. A USB-C is also included. Holley Sniper 2 EFI system CAN hubs feature a compact and durable design, ensuring they withstand harsh automotive environments, while fitting neatly within your vehicle's engine bay or dashboard. Additional features and benefits: * Enhanced visibility -- Monitor your engine's health and performance easily with multiple display support * Stable and reliable connection -- Direct integration with Sniper ECU ensures a stable and reliable connection * Easy installation -- Plug-and-play connectivity and user-friendly installation for those with limited technical expertise * Multiple display support -- Connect up to three displays simultaneously for a comprehensive view of critical performance metrics
( 1 )
$142.95
Holley Sniper 2 EFI Main Wiring Harnesses
Holley Sniper 2 EFI main wiring harnesses include the switched 12 V power wire, main battery power and ground, fuel pump relay, coil - input wire, and HyperSpark distributor connector. This harness is braided split-wire loom to keep the wires protected and your engine bay clean! Holley Sniper 2 EFI main wiring harnesses feature: * One 5 ft. 12 gauge main battery power wire * One 5 ft. 12 gauge main battery ground wire * One 30 amp fuse with cover with mounting tab for a secure installation * One 40 amp 5-pole relay with mounting tab for a secure installation * One 20 ft. 12 gauge fuel pump 12 V power wire * One 3 ft. 20 gauge coil input wire * One 5 ft. 20 gauge switch 12 V ignition wire
( 1 )
$217.95
Holley J1A/B Dominator Auxiliary Wiring Harnesses
Holley J1A/B Dominator auxiliary wiring harnesses are designed to connect into the main harness input/ouput connector. They feature loose lead wires on one end and an 8-pin Metri-Pack connector on the other.
( 3 )
$130.95
Holley Sniper EFI Main Wiring Harnesses
Holley Sniper EFI main wiring harnesses include the switched 12 V power wire, main battery power and ground, fuel pump relay, coil input wire, and magnetic distributor input wire. These kits also include 6 ft. of 3/8 in. black braided split wire loom to keep the wires clean and protected from abrasion. Includes: * 5 ft. of 12-gauge main battery power wire * 5 ft. of 12-gauge main battery ground wire * 30 amp fuse and cover with mounting tab * 40 amp 5-pole relay with mounting tab * 20 ft. of 12-gauge fuel pump 12 V power wire * 3 ft. of 20-gauge crank signal positive wire * 3 ft. 20-gauge crank signal negative wire * 3 ft. 20-gauge coil input wire * 5 ft. 20-gauge switch 12 V ignition wire
( 1 )
$168.95
Holley Multi-Map Selectors
Holley multi-map selectors are specifically designed for use with Holley Dominator EFI systems. They allow up to four different calibrations to be selected at vehicle key-on. The included switch is connected into the J3 ECU connector. Multiple maps can be used for many different purposes, such as various fuel types or octanes; charting track conditions, nitrous setups, and more.
Not Yet Reviewed
$176.95
Holley EFI Fuel Pulse Dampers
Holley EFI fuel pulse dampers act in tandem with the fuel pressure regulator to further control the fuel pressure in an EFI system. They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating. These pulsations happen so quickly that in many cases they can't be identified with an analog gauge but can cause issues with fuel delivery to the engine. Options include: * Direct-mount or inline mount * Multiple inlet/outlet dimensions * Standard or extended fuel pressure range * Male or female threads Features: * Engineered to stabilize pressure pulsations caused by the injectors opening; ideal for applications with large fuel injectors and high-volume fuel pumps * Compatible with any fuel; full anodized billet aluminum construction with stainless steel springs and fluorosilicone diaphragm * Fittings included for damper/regulators and direct-mount dampers * 1/8 in. NPT port on body of damper/regulators and inline dampers for easy installation of mechanical pressure gauge or pressure transducer * Vacuum fitting and one foot of hose included with all dampers for vacuum referencing
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$108.95
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$157.95
Holley EFI Pro Dash M8 Service Harnesses
Holley Performance offers a variety of fuel injection system components, including EFI Pro Dash M8 service harnesses. Specifications: M8 Service Harness 6.86 in. and 12.3 in. Pro Dash.
Not Yet Reviewed
$137.95
Holley Pro-Jection Service Parts
These Holley Pro-Jection service parts are available for today's most popular Pro-Jection kits. Whether you have an old analog or new digital system, we have the replacement parts for you. Map sensors, fuel injectors, oxygen sensors, extension cables, a variety of fittings and adapters, and many other parts are available to keep your Pro-Jection system operating efficiently.
( 2 )
$161.95
Holley EFI Dual Range Current Transducers
Holley EFI dual range current transducers can be easily installed to monitor the amp draw from any mission-critical component, such as fuel pumps, alternators, electric water pumps, or even inductive ignition coils. Available in two styles, both are dual range, meaning they can monitor both high and low amp current draw with one sensor. They also have built-in mounting tabs, allowing you to mount the sensor virtually anywhere. Simply run the high-load 12 V power wire through the sensor, securely mount the sensor, and finally make your terminations to the ECU. Features include: * Dual range current sensing to help monitor and diagnose any potential electrical system issues * Safely converts amperage current to a 0 to 5 V signal, providing damage-free information to any aftermarket ECU * Built-in mounting provisions make installation quick and easy * Connectors and pins included allowing these sensors to be installed in any existing build * Preconfigured sensor dropdowns in Holley EFI V5 Software
Not Yet Reviewed
$149.99
Holley Drive-By-Wire Throttle Body Wiring Harnesses
Holley drive-by-wire throttle body wiring harnesses are designed for use with the Holley Dominator ECU, as well as the factory drive-by-wire throttle body. These harnesses feature pre-terminated connections, ensuring true plug-n-play installation.
Not Yet Reviewed
$119.95
Holley EFI Benchtop Harnesses
Holley EFI benchtop harnesses are designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7 in. dashes. They are great for ECU diagnostics that do not require a running engine, firmware updates, or 7 in. dash calibrations. The harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input (1), P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and ground flying leads need to be connected to your battery or power supply (not included). Key features: * Terminated connectors for multiple EFI inputs * Included power switch allows for a quick "install" on your test bench * Optimal for ECU diagnostic, firmware updating, and pre-configuring dash layouts * Works with HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7 in. dashes * Has pre-terminated connectors for these sensor inputs: CAN, Crank, Cam, TPS, Input (1), P1A, Main Power, and Sniper EFI main harness connectors
Not Yet Reviewed
$236.95
Holley Terminator Stealth 2x4 Primary Throttle Body Sub Harnesses
Holley Terminator Stealth 2x4 Primary Throttle Body Sub harnesses are EFI upgrade components for the Holley Terminator Stealth 4150. These units are made with premium components to ensure better reliability and performance for your ride. Harnesses plug-and-play design makes replacement a snap!
Not Yet Reviewed
$236.95
On Sale
Holley Water/Methanol Injection Pumps
Holley water/methanol injection pumps help to increase the power of your engine. They make great replacements for most water/methanol kits. Or you can use them when creating your own special setup. The pumps are designed with high-quality diaphragms and EPDM seals to withstand the harshest of alcohol mixes.
( 1 )
$411.95
$232.46
Holley LS Engine Swap Accessory Drive Systems
Now available from Holley are LS engine swap accessory drive systems. Included are accessories and pulleys that are manufactured by OEM part suppliers for durability and direct bolt-on installation. Order the kit that's best suited for your vehicle and engine application. Features and facts: * Universal brackets fit virtually all common LS engines, regardless of water pump and harmonic balancer offsets--thus reducing cost and complexity compared with competitive products * Simple, dedicated installation kits allow easy fitment to Corvette, F-Body, or truck drive offsets * Accessories, tensioner, and pulleys are manufactured by OEM suppliers and many of the parts are used on production vehicles today
( 34 )
$107.95
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.
( 75 )
$134.95
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