Sniper EFI

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Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end to cold start issues, hesitations, vapor lock and flooding.


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Sniper 2






Sniper EFI Key Features

Sniper EFI Key Features - www.holleyefi.se
  • Self Tuning - No Laptop Required
    You don't have to be a computer/tuning wiz to have EFI! 4 questions and you're ready! The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
  • Simple Wiring
    Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Bolt On Installation
    Simple dual pattern bolt on installation to go from carbureted to EFI!
  • From Stock To Over 1500 Horsepower
    Whether you're Naturally Aspirated or Boosted, Sniper has you covered up to 1500HP!
  • 3.5 in. LCD Display
    Serves as a tuner and a digital gauge display, all at the palm of your hand.
  • Integrated ECU
    Eliminates the need of mounting an external box, saving you time and money.
  • Sniper Is An ECOSYSTEM
    Pairs seamlessly together with Holley's Sniper Hyperspark Ignition, Fuel Systems, and Digital Dashes to complete your EFI conversion.

Sniper EFI Systems

Sniper EFI systems - 4bbl - www.holleyefi.se

4bbl

  • Supports up to 650hp with Four 100 Lb/Hr Injectors
  • Throttle body mounted ECU – no extra boxes to mount
  • Dual Pattern bolt on carburetor replacement designed to fit 4150 Flange and spreadbore manifolds
  • Only 4 Wiring Connections Required! (Battery +, Battery - , Switched Ignition & RPM)
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI
  • Integrated ignition timing control & coil driver when used with Hyperspark or MSD Pro-Billet distributors
Sniper EFI systems - Stealth 4150 - www.holleyefi.se

Stealth 4150

  • Modern EFI performance with classic Holley carburetor looks
  • Bolt on 4150 Flange Carburetor Replacement
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 650hp with Four 100 lb/hr Injectors
  • All of the wiring exits below the rear fuel injector cover for a completely stealth installation
  • Only four wiring connections required (Battery +, Battery - , Switched Ignition & RPM)
  • Integrated ignition timing control when used with Hyperspark or MSD Pro-Billet distributors
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI

Sniper EFI systems - Stealth 4500 - www.holleyefi.se

Stealth 4500

  • Supports up to 1500 naturally aspirated HP or 1250 in forced induction applications with eight 100 lb/jr injectors
  • Compatible with draw-through or blow-through forced induction applications
  • 2.125” throttle plates flow 1440 CFM for large displacement engines
  • Integrated ignition timing control when used with Hyperspark or MSD Pro-Billet distributors
  • Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI
  • Throttle body mounted ECU – no extra boxes to mount
Sniper EFI systems - Quadrajet™ - www.holleyefi.se

Quadrajet™

  • Designed to deliver the signature Rochester roar at wide open throttle
  • Throttle body mounted ECU – no extra boxes to mount
  • Supports up to 500 horsepower with four 100 lb/hr injectors
  • Only four wiring connections required (Battery +, Battery - , Switched Ignition & RPM)
  • Integrated ignition timing control when used with Hyperspark or MSD Pro-Billet distributors
  • Self-tuning ECU means you don't have to be a computer/tuning wiz to have EFI!

Holley Sniper 2 EFI: The #1 Selling EFI Conversion Just Got Better


Sniper EFI Quick Reference Guide

Klicka här för en mobilanpassad tabell.

SNIPER EFI  HP
(NATURALLY ASPIRATED)
HP (POWER ADDER) INJECTORS (100LB/HR) BOOST CONTROL BBL CFM FUEL PRESSURE REGULATOR AVAILABLE AS MASTER KIT
Sniper 2 EFI 650 575 4 No 4 800 @ 1.5" HG Not included in the base kit Yes
(4150) Sniper EFI 650 575 4 No 4 800 @ 1.5" HG Included Yes
Super Sniper 650 650 575 4 Yes 4 800 @ 1.5" HG Included No
Super Sniper 1250 650 1250 8 Yes 4 800 @ 1.5" HG Included No
Sniper 2x4 4150 1250 1250 8 No 2X4 1600 @ 1.5" HG Not
Included
No
Super Sniper 2x4 4150 1250 1250 8 Yes 2X4 1600 @ 1.5" HG Not
Included
No
Sniper XFlow 800 690 4X120 Yes 4 900 @ 1.5" HG Not
Included
No
Sniper XFlow 1375 800 1375 8X120 Yes 4 900 @ 1.5" HG Not
Included
No
Sniper EFI 2300 350 285 2 No 2 580 @ 3" HG Included Yes
Super Sniper 2300 350 650 4 Yes 2 580 @ 3" HG Included No
Sniper EFI BBD  350 285 2 No 2 370 @ 3" HG Included Yes
Sniper EFI Small Bore 2GC 350 285 2 No 2 370 @ 3" HG Included Yes
Sniper EFI Quadrajet 500 575 4 No 4 715 @ 1.5" HG Not
Included
Yes
Sniper EFI Stealth 4500 1500 1250 8 Yes 4  1440 @ 1.5" HG Not
Included
No

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Artiklar

Tech Spotlight: How Sniper 2 Is Taking Plug-And-Play EFI To The Next Level - 07/18/2023

Tech Spotlight: How Sniper 2 Is Taking Plug-And-Play EFI To The Next Level - www.holleyefi.se

When Holley Performance introduced the original Sniper EFI system back in 2015, it kicked off a revolution in fuel injection conversions. The goal was simple: Make EFI simple and affordable for folks who’re looking to make the jump without completely reinventing their vehicle’s setup.

“The new system benefits from everything we’ve learned with Sniper 1 as well as the feedback that customers have provided to us,” /.../ “The throttle body, linkage, and key elements of the circuitry have been redesigned from the ground up for Sniper 2, and it offers a host of new features and capabilities. The development of the new system also provided us with the opportunity to streamline the system component selection process to ensure that customers get something that meets the specific needs of their project – whether that’s a basic EFI conversion, or something more comprehensive.” - Read More


Holley Sniper EFI 4150 Dual Quads - 03/21/2023

Holley Sniper EFI 4150 Dual Quads - www.holleyefi.se

Two versions of Sniper EFI Dual Quad are available combinations, Sniper EFI 2x4 is available for naturally-aspirated engines. Super Sniper EFI 2x4 is designed for draw through forced-induction applications. Both Sniper EFI 2x4 systems can support up to 1250 HP from the eight 100 lb/hr injectors. - Read More


How to Install a Sniper HyperSpark Ready-to-Run Distributor - 06/24/2022

How to Install a Sniper HyperSpark Ready-to-Run Distributor - www.holleyefi.se

HyperSpark Ready-to-Run distributors are the perfect solution for those running a Holley Sniper EFI and in need of affordable, plug-and-play ignition timing control. - Read More


Deep Dive: Sniper EFI 5-Inch Touchscreen Digital Dash - 03/03/2022

Deep Dive: Sniper EFI 5-Inch Touchscreen Digital Dash - www.holleyefi.se

There are many performance benefits of running a Sniper EFI system, but one of the key points of any Holley Sniper is that you don’t need a laptop for programming the system. The supplied 3.5-inch color touchscreen provides easy access to the data and calibration points required to get the EFI system dialed-in for your system. - Read More


Teaching Ancient Jeeps New Tricks Out On The Trails With Sniper EFI - 05/09/2022

Teaching Ancient Jeeps New Tricks Out On The Trails With Sniper EFI - www.holleyefi.se

Nick Oxender hit our radar when he put a Sniper Autolite 1100 EFI system onto his Willys' "Go-Devil" four-cylinder engine. Ever since then, he's been busy proving just how well the system works as he tests his Jeep out in the ways only Jeep people can. - Read More


Sniper EFI Installation Guide - 02/25/2020

Sniper EFI Installation Guide - www.holleyefi.se

So you're ready to switch from carburetor to fuel injection, but you're unsure of what all is involved. This guide will walk you through a basic installation including what parts are necessary to swap as well as what to watch out for. - Read More


Going In-Depth With The Sniper Stealth 4500 EFI System - 05/19/2021

Going In-Depth With The Sniper Stealth 4500 EFI System - www.holleyefi.se

While old habits and proven strategies can be hard to shelve, the advantages offered by EFI systems like the Sniper Stealth 4500 EFI can take an already-effective race program to the next level. - Read More


Going In-Depth With Holley's Terminator X Stealth 4500 EFI System - 03/16/2021

Going In-Depth With Holley's Terminator X Stealth 4500 EFI System - www.holleyefi.se

Hot on the heels of the Terminator X Stealth 4150 EFI system that debuted earlier this year, Holley has now added the Terminator X Stealth 4500 EFI system to the lineup. As the name implies, the new hardware is designed to work with 4500 flange intake manifolds, but this system is much more than just a carburetor replacement that’s designed to improve drivability and throttle response. - Read More


För mer info ...

Sniper EFI Ignition Systems Overview                                                

Holley Sniper EFI - Affordable Carburetor Replacement

Holley Sniper EFI How It's Made - Time Lapse

För mer info ...

Holley How To: Install Sniper EFI                                                          

How To Build A Custom Timing Table - Sniper EFI          

Holley Sniper EFI Firmware Update

För mer info ...

Comparing the Holley Sniper EFI vs Carburetor on a Willys Jeep

How to Fuel Inject Your Willys L134 With a Holley Sniper 

Upgrade Your Sniper EFI System with a 5in Digital Dash

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