Holley EFI Archives - Hartline Performance https://hartlineperformance.com/product_brand/holley-efi/ Thu, 24 Jul 2025 20:25:30 +0000 en-US hourly 1 https://hartlineperformance.com/wp-content/uploads/2019/04/favicon.png Holley EFI Archives - Hartline Performance https://hartlineperformance.com/product_brand/holley-efi/ 32 32 Holley TERMINATOR X STEALTH 4150 EFI System https://hartlineperformance.com/product/holley-terminator-x-stealth-4150-efi-system/ Fri, 10 Apr 2020 19:12:11 +0000 https://hartlineperformance.com/?post_type=product&p=6253 Sniper EFI Stealth 4500 - 8 Injector - 800-1500 HP

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The Terminator X Stealth 4150 EFI system from Holley features either:

 

4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications.

OR

8, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated 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! Did we mention that the Stealth 4150 also includes transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications? Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012, 550-1013)

 

Features:

  • Bolt on 4150 Flange Carburetor Replacement
  • Supports up to 650HP with Four 100lb/hr Injectors
  • Terminator X Max Stealth 4150 kits provide transmission control for Pre-2009 GM 4L60E/4L80E Transmissions (Part numbers 550-1011, 550-1012,550-1013)
  • Includes high pressure fuel crossover line
  • All of the wiring exits below the rear fuel injector cover, for a completely stealth installation
  • Timed spark part for vacuum advanced distributors located under the front fuel bowl, for easy access to the distributor
  • Air entry is machined to fit most stock style air cleaners with air cleaner locator provisions
  • External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
  • Integrated ignition timing control improves idle stability, fuel economy, and wide open throttle performance
  • 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
  • The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn
  • OEM Style TPS/IAC for years of dependable service
  • Available in 3 finishes: Shiny, Black, and Gold

 

Tech Resources:

Quick Start Guide

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]]> Holley Performance 160 lb/hr Performance Fuel Injector – Individual https://hartlineperformance.com/product/holley-performance-160-lb-hr-performance-fuel-injector-individual/ Wed, 17 Apr 2019 18:45:28 +0000 https://hartlineperformance.com/?post_type=product&p=5988 Bosch/EV1 Style, Low Impedance

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Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible “bounce” at low pulse widths as commonly found in other injectors. They are available from 19 to 160 lb/hr flow rates to accommodate a variety of vehicles from mild street cars to high horsepower race applications. Holley EFI Fuel Injectors provide precision fuel delivery you can depend on.

Features:

  • Bosch/EV1 style performance injector – Individual
  • Low impedance (2.2 Ohms) for use with peak and hold drivers
  • Rated injector flow: 120 lb/hr @ 43 PSI
  • Tri-cone spray pattern

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]]> Holley Performance 120 lb/hr Performance Fuel Injector – Individual https://hartlineperformance.com/product/holley-performance-120-lb-hr-performance-fuel-injector-individual/ Wed, 17 Apr 2019 18:43:40 +0000 https://hartlineperformance.com/?post_type=product&p=5986 Bosch/EV1 Style, Low Impedance

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Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible “bounce” at low pulse widths as commonly found in other injectors. They are available from 19 to 160 lb/hr flow rates to accommodate a variety of vehicles from mild street cars to high horsepower race applications. Holley EFI Fuel Injectors provide precision fuel delivery you can depend on.

Features:

  • Bosch/EV1 style performance injector – Individual
  • Low impedance (2.2 Ohms) for use with peak and hold drivers
  • Rated injector flow: 120 lb/hr @ 43 PSI
  • Tri-cone spray pattern

The post Holley Performance 120 lb/hr Performance Fuel Injector – Individual appeared first on Hartline Performance.

]]> Holley Performance 83 lb/hr Performance Fuel Injector – Individual https://hartlineperformance.com/product/holley-performance-83-lb-hr-performance-fuel-injector-individual/ Wed, 17 Apr 2019 18:41:00 +0000 https://hartlineperformance.com/?post_type=product&p=5984 Bosch/EV1 Style, Low Impedance

The post Holley Performance 83 lb/hr Performance Fuel Injector – Individual appeared first on Hartline Performance.

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Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible “bounce” at low pulse widths as commonly found in other injectors. They are available from 19 to 160 lb/hr flow rates to accommodate a variety of vehicles from mild street cars to high horsepower race applications. Holley EFI Fuel Injectors provide precision fuel delivery you can depend on.

Features:

  • Bosch/EV1 style performance injector – Individual
  • Low impedance (2.2 Ohms) for use with peak and hold drivers
  • Rated injector flow: 83 lb/hr @ 43 PSI
  • Tri-cone spray pattern

The post Holley Performance 83 lb/hr Performance Fuel Injector – Individual appeared first on Hartline Performance.

]]> Holley Performance Fuel Injector – 80 lb/hr – USCAR – High Impedance https://hartlineperformance.com/product/holley-performance-fuel-injector-80-lb-hr-uscar-high-impedance/ Wed, 17 Apr 2019 18:40:06 +0000 https://hartlineperformance.com/?post_type=product&p=5982 This ACCEL high impedance fuel injectors have a flow rate of 80 lb/hr and are USCAR style.

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]]> ACCEL Performance fuel injectors provides precise control of fuel delivery & atomization for increased power, improved throttle response & better fuel economy. They are all new units; not modified stock units or remanufactured from used cores. They feature a low-mass disc design that ensures accurate metering control even at ultra-low & high duty cycles and higher fuel pressures. ACCEL performance Injectors can be used with gasoline or E85 and are great for blown applications where increased fuel pressure and precise metering are required. State-of-the-art manufacturing processes reduce flow deviations between injectors, which improve performance. Low- and High-impedance designs are available to match most commercial applications.

Features:

  • Provides precise control of fuel delivery & atomization for increased power, improved throttle response, & better fuel economy
  • All new units; not modified stock units or remanufactured from used cores
  • New low-mass disc design ensures accurate metering control even at ultra-low & high duty cycles
  • Operates at higher fuel pressures without loss of metering control
  • Great for blown applications where increased fuel pressure and precise metering are required
  • State-of-the-art manufacturing processes reduce flow deviations between injectors to improve performance

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]]> Holley HP EFI ECU & Harness Kit for Universal V8 Multi-Point Fuel Injection https://hartlineperformance.com/product/holley-hp-efi-ecu-harness-kit-for-universal-v8-multi-point-fuel-injection/ Wed, 27 Mar 2019 18:52:16 +0000 http://www.animalflavor.com/?post_type=product&p=4791 Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor

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Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.

Features:

  • Optional 5.7? full-color touchscreen LCD allows easy on-the-fly tuning, data-logging or can be used as an easy to see graphical gauge panel
  • Eight sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 16 low or high impedance injectors as a standard feature. Multiple staged injector strategies
  • Eight channel Distributorless Ignition (DIS)outputs capable of directly driving ?Smart? ignition coils or Holley DIS coils. Will drive 2 wire coils with the addition of PN 554-112 high current coil driver module
  • Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors
  • Internal data-logging 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 allows you to unlock your engine?s potential
  • Works with 4, 6, 8 cylinder engines
  • Unique lb/hr based fueling strategy greatly simplifies and commonizes tuning
  • Advanced idle, closed loop, and enrichment strategies allow for very stable operation
  • ECU is 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 HEI, Ford TFI, magnetic and hall effect trigger, and other ignition systems. New Plug and Play applications in process. Custom settings can be configured to allow many other applications
  • 1-5 Bar MAP sensor capability
  • Two channel knock control sensor Inputs for both one or two wire knock sensors
  • Dedicated fuel and oil pressure inputs
  • Controls both stepper and PWM Idle Air Control (IAC) motors
  • Speed density, Alpha-N, or combination fueling strategies
  • 4 Programmable high or low Pulse Width Modulated (PWM) outputs and 4 fully configurable inputs can be configured for use
  • 4 Stage nitrous oxide control
  • Fully featured nitrous control eliminates the need for a separate nitrous controller device
  • Can be configured ?Wet? or ?Dry? with closed loop feedback
  • Progressive control based on time, RPM, or boost, requires part # 554-111
  • Lean or rich safety cutoff
  • Full timing retard/control configurability per stage based on RPM or time
  • Integrated Water/Methanol injection control
  • Uses Holley Water/Meth solenoids specially designed and calibrated for use with this EFI system to allow the user to enter Water/Meth flow as a percentage of fuel injector flow for Water/Meth tuning precision unmatched in the industry

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]]> Holley HP EFI ECU & Harness Kit for GM LS1/LS6 https://hartlineperformance.com/product/holley-hp-efi-ecu-harness-kit-for-gm-ls1-ls6/ Wed, 27 Mar 2019 18:45:36 +0000 http://www.animalflavor.com/?post_type=product&p=4788 GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor

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Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you’re on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too! Stop re?flashing your factory ECU every time you make a performance modification. Get Holley EFI today!

Features:

  • Simple Installation – Plug and Play control of GM LS1/LS6 engines. Just plug the harness into your factory sensors, wire the power and grounds and you are ready to take complete control of your LS engine
  • More Functionality – Provides significantly more functionality than OEM or other competitive ECUs (boost control, nitrous control, water/meth injection, plus a host of additional inputs and outputs to control fans, pumps, relays etc.)
  • Easy To Use – Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time
  • Ideal For Everything – including stock 5.3L engine swaps or all out, 3,000+ horsepower race cars that need a simple and powerful ECU and harness solution
  • Industry Leading Self Tuning Fuel Strategy – means less time tuning and more time enjoying the power of your LS vehicle
  • Kit includes ECU, harness, communication cable, software and and Bosch wideband 02 sensor designed to be used with GM LS1/LS6 engines with factory GM coils and a 24 tooth crank sensor
  • ECU is fully potted and can be mounted in the engine compartment or interior
  • Sealed automotive and marine grade connectors
  • 1-5 Bar MAP sensor capability
  • Optional plug and play hand-held programmer, 5.7″ touchscreen and digital gauges are available for ultimate control and vehicle monitoring
  • ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance
  • For a full list of advanced features such as boost, nitrous, water/meth, individual cylinder control and more click the document icon under the product image!

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]]> Holley Sniper EFI 4500 – Classic Gold Finish https://hartlineperformance.com/product/holley-sniper-efi-4500-classic-gold-finish/ Wed, 27 Mar 2019 18:39:07 +0000 http://www.animalflavor.com/?post_type=product&p=4783 Sniper EFI Stealth 4500 - 8 Injector - 800-1500 HP

The post Holley Sniper EFI 4500 – Classic Gold Finish appeared first on Hartline Performance.

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Introducing the Sniper Stealth 4500 EFI System! Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Look no further! The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. This system also comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine

Features:

  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Compatible with Draw through or Blow through forced induction applications
  • 2.125? Throttle Plates, Flow 1440 CFM for large cubic inch engines
  • 2.5Bar MAP Sensor
  • Integrated ignition timing control
  • Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
  • -8AN 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 realtime Fuel Map Learn
  • Built-in Single Stage Wet or Dry progressive nitrous control
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
  • Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timi
  • One +5v Reference Output – +5V Power Supply for 0-5v Sensors, One Sensor Ground ? Ground supply for 0-5v Sensors
  • Throttle body mounted ECU ? no extra boxes to mount
  • Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM)
  • Required external fuel pressure regulator, 12-848 is recommended
  • Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
  • User friendly Boost Control with handheld adjustability
  • Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
  • Real-time datalogging to the included 3.5? Touch Screen, allows you to save information to the SD card without needing a communication cable
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time
  • OEM Style TPS/IAC, for years of dependable service
  • Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Patent Pending

The post Holley Sniper EFI 4500 – Classic Gold Finish appeared first on Hartline Performance.

]]> Holley Sniper EFI 4500 – Black Ceramic Finish https://hartlineperformance.com/product/holley-sniper-efi-4500-black-ceramic-finish/ Wed, 27 Mar 2019 18:33:58 +0000 http://www.animalflavor.com/?post_type=product&p=4778 Sniper EFI Stealth 4500 - 8 Injector - 800-1500 HP

The post Holley Sniper EFI 4500 – Black Ceramic Finish appeared first on Hartline Performance.

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Introducing the Sniper Stealth 4500 EFI System! Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Look no further! The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. This system also comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine

Features:

  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Compatible with Draw through or Blow through forced induction applications
  • 2.125? Throttle Plates, Flow 1440 CFM for large cubic inch engines
  • 2.5Bar MAP Sensor
  • Integrated ignition timing control
  • Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
  • -8AN 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 realtime Fuel Map Learn
  • Built-in Single Stage Wet or Dry progressive nitrous control
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
  • Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timi
  • One +5v Reference Output – +5V Power Supply for 0-5v Sensors, One Sensor Ground ? Ground supply for 0-5v Sensors
  • Throttle body mounted ECU ? no extra boxes to mount
  • Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM)
  • Required external fuel pressure regulator, 12-848 is recommended
  • Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
  • User friendly Boost Control with handheld adjustability
  • Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
  • Real-time datalogging to the included 3.5? Touch Screen, allows you to save information to the SD card without needing a communication cable
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time
  • OEM Style TPS/IAC, for years of dependable service
  • Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Patent Pending

The post Holley Sniper EFI 4500 – Black Ceramic Finish appeared first on Hartline Performance.

]]> Holley Sniper EFI 4500 – Shiny Finish https://hartlineperformance.com/product/holley-sniper-efi-4500-shiny-finish/ Wed, 27 Mar 2019 18:20:07 +0000 http://www.animalflavor.com/?post_type=product&p=4772 Sniper EFI Stealth 4500 - 8 Injector - 800-1500 HP

The post Holley Sniper EFI 4500 – Shiny Finish appeared first on Hartline Performance.

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Introducing the Sniper Stealth 4500 EFI System! Wanting to convert your Dragster or Pro-street vehicle to Fuel Injection? Look no further! The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. This system also comes with a USB to CAN tuning cable and free downloadable Sniper EFI Software give you unlimited control of your engine

Features:

  • Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
  • Compatible with Draw through or Blow through forced induction applications
  • 2.125? Throttle Plates, Flow 1440 CFM for large cubic inch engines
  • 2.5Bar MAP Sensor
  • Integrated ignition timing control
  • Programmable launch control via 2-step and timing retard. Both can be triggered by a trans-brake input
  • Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange
  • -8AN 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 realtime Fuel Map Learn
  • Built-in Single Stage Wet or Dry progressive nitrous control
  • Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure or other critical information
  • Six Programmable Ground Outputs, Five programmable ground inputs. These can be used to trigger or control external devices such as nitrous solenoids, boost control solenoids. Or to provide the ECU with an Input to turn on function such as an ignition timi
  • One +5v Reference Output – +5V Power Supply for 0-5v Sensors, One Sensor Ground ? Ground supply for 0-5v Sensors
  • Throttle body mounted ECU ? no extra boxes to mount
  • Only 4 Wiring Connections Required! (Battery +, Battery – , Switched Ignition & RPM)
  • Required external fuel pressure regulator, 12-848 is recommended
  • Customizable secondary fuel pump output (TPS, RPM or Boost enabled)
  • User friendly Boost Control with handheld adjustability
  • Free Software included comprehensive datalogging tool to help you maximize the performance of your engine
  • Real-time datalogging to the included 3.5? Touch Screen, allows you to save information to the SD card without needing a communication cable
  • Programmable Target Air Fuel Ratios per Boost level
  • Advanced boost control available via free Sniper EFI tuning software, including Boost vs RPM and Boost vs Time
  • OEM Style TPS/IAC, for years of dependable service
  • Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
  • Patent Pending

The post Holley Sniper EFI 4500 – Shiny Finish appeared first on Hartline Performance.

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