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•Engines making up to 350 HP (Naturally Aspirated)
•Engines making up to 500 HP (Boosted or Dry Nitrous)
Sniper & Super Sniper 2300 2BBL EFI System
(The best 2-BBL choice in most cases)
•Jeep 258 CID Engine with BBD Carburetor and original air filtration system
Sniper BBD EFI System
•Engines with unavoidable requirement for Rochester 2GC Carburetor
Sniper 2GC EFI System
•Engines making up to 650 HP (Naturally Aspirated)
•Engines making up to 500 HP (Boosted or Dry Nitrous)
Sniper 4150 EFI System or
Sniper Stealth 4150 EFI System
(These are the best 4-BBL choices in most cases)
•Engines making up to 700 HP (Naturally Aspirated)
•Engines making up to 1000 HP (Boosted or Dry Nitrous)
Super Sniper 4150 EFI System or
Super Sniper Stealth 4150 EFI System
•Engines making up to 800 HP (Naturally Aspriated)
•Engines making up to 1375 HP (Boosted or Dry Nitrous)
Sniper XFlow 4150 EFI System
•Engines making no less than 800 and up to 1250 HP (Naturally Aspriated)
•Engines making no less than 800 and up to 1100 HP (Boosted or Dry Nitrous)
Sniper Stealth 4500 EFI System
•Engines with unavoidable requirement for Quadrajet-style throttle bodies
Sniper Quadrajet EFI System
•Twin-4BBL Carb Engines making up to 1250 HP (Naturally Aspirated)
•Twin-4BBL Carb Engines making up to 1000 HP (Boosted or Dry Nitrous)
Sniper 4150 2x4 EFI System (Requires a 2x4 Intake Manifold)
These are all ballpark estimates and are greatly affected by an individual engine's displacement and volumetric efficiency. NA maximums are generally limited based on airflow. Boosted and Nitrous maximums are generally limited based on fuel injector capacity. All of these estimates assume gasoline. Adjust accordingly for E-85. Find your engine to be in one of the gray areas? Contact us--we love to help! You can use our Contact Page or click on the Sales Support fly-out to the right of this page to get real-time help.
Sniper EFI System Replacement and Upgrade Components has everything you need to accessorize, repair, or update your Sniper EFI System!
EFI Pro Hangout is where our in-house Holley Tier III Technician Chris Myer shares the secrets nobody else offers about the Sniper EFI System. He's not only answered the questions you have, he's answered some you don't even know you have yet. Be sure to check that out!
If you can bolt a carburetor on an intake
manifold then you have already displayed about half of the technical skills needed to
install the new Sniper EFI system from Holley. Imagine--hard starts, hesitations, vapor
lock and flooding are all replaced by EFI reliability at a cost not much above a
high-end carburetor!
You see, Holley has done away with the ECU box entirely! The new Sniper family of Throttle Body EFI systems incorporates the ECU right into the throttle body. The benefit is obvious to most folks but allow us to elaborate. With the ECU built into the throttle body injection unit, there is really no need for a harness, in the traditional sense. Nearly all of the sensors are built into the throttle body, so all you have to do is add a few basic connections (like power, and plug in the wideband O2 sensor and a timing signal) and you're in business!
But don't think that you're getting short-changed. Holley engineers were tasked with producing a system that would have virtually all of the features of the Avenger and HP kits--and they have accomplished just that. Want to add some of Holley's beautiful analog-display gauges? You can. Need advanced tuning capabilities? The included 2.5-inch touchscreen display can do that. This isn't just a good place to start your EFI adventure--the Sniper will support whateveryour hot rod goals may be in the future.
What was good is now amazing. Sniper EFI is no new kid on the block. Since it's initial release in..
$1,444.39 $1,299.95
EFI Replacement for the Rochester 2GC CarburetorThe first thing to ask yourself before buying the ..
$1,400.00 $1,259.95
The Dual Quad EFI System You've Been Waiting For!The Sniper 4150 2x4 EFI System was hinted at for ..
$2,552.00 $2,295.95
Yes--EFI For You Too!Until now, you had to be kidding yourself to think that someday there woul..
$1,012.00 $909.95
Holley Shows the Jeep CJ Community Some LoveOk, so there are a ton of aftermarket parts out there ..
$1,333.28 $1,199.95
Sniper EFI 2300: Performance EFI for Engines Under 325 HPOk, everyone has been pati..
$1,189.00 $1,069.95
Ok, so tell me more about Sniper EFI This should erase all doubts you had about EFI! Whet..
$1,400.00 $1,259.95
EFI for Quadrajet Users--Sniper Quadrajet EFI System If you have on of the countless thous..
$1,689.00 $1,519.95
The Daddy of All Sniper EFI SystemsThat's right--nothing else is even close. Holley makes it clear..
$2,334.00 $2,099.95
Same Sniper...Now with STEALTH! It's been a few years now since the Sniper EFI System has rol..
$1,478.00 $1,329.95
The Gap-FillerThose of us who have followed the development of the Sniper EFI System had identi..
$1,756.00 $1,579.95
Finally--The Super Sniper!The original 4-injector Sniper EFI System is absolutely amazing in i..
$2,112.00 $1,899.95
A New Super Sniper!The new Super Sniper Stealth merges two incredibly successful products to m..
$1,756.00 $1,579.95
