Supports Up To 1500 HP - 3.5 in. LCD Touchscreen - 8 x 100 lb./hr. Injectors

$2,474.95 $2,199.95
FRCQ_550-842
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Featuring (8) 100 lb./hr. fuel injectors, the Stealth 4500 is a great option for any build looking to make between 800-1500 HP naturally aspirated...

Dominator EFI Kit - LS1 Main Harness w/ Trans and DBW with EV1 Injector Harness

$3,937.95 $3,499.95
GVMR_550-657
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

HP EFI ECU & Harness Kits

$2,936.95 $2,609.95
GVMR_550-606
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley...
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550-607N_01_P04_KIT.jpg 271r962-1a.jpg Quick View

HP EFI ECU & Harness Kits

$3,341.95 $2,969.95
GVMR_550-607N
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition...

GM TPI and Holley Stealth Ram™, Includes NTK Oxygen Sensor

$3,228.95 $2,869.95
GVMR_550-601N
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your...

Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor - Carburetor Styling

$2,418.95 $2,149.95
FRCQ_550-877
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
If you're looking to make some big power, the Super Sniper Stealth is made for you! Holley's Sniper EFI Super Sniper Stealth 1250 is...

Holley Sniper Stealth 4150 Master Kit - Classic Gold

$2,081.95 $1,849.95
FRCQ_550-872K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The 4150 includes a complete fuel system consisting of all necessary hardware to return fuel into your tank. Additionally, you're getting a 4.9 wideband...

Holley Sniper Stealth 4150 - Classic Gold

$1,743.95 $1,549.95
FRCQ_550-872
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
You don't have to be a computer wiz or tuning professional to run a sniper kit on your build. Simplicity is what we strive...

Holley Sniper Stealth 4150 Master Kit - Black

$2,081.95 $1,849.95
FRCQ_550-871K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The 4150 includes a complete fuel system consisting of all necessary hardware to return fuel into your tank. Additionally, you're getting a 4.9 wideband...

Holley Sniper Stealth 4150 - Black

$1,743.95 $1,549.95
FRCQ_550-871
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
You don't have to be a computer wiz or tuning professional to run a sniper kit on your build. Simplicity is what we strive...

Holley Sniper Stealth 4150 Master Kit - Shiny

$2,024.95 $1,799.95
FRCQ_550-870K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Supports Up To 650HP - 3.5 in. Handheld Monitor - Carburetor Styling - Return Fuel System

Holley Sniper Stealth 4150 - Shiny

$1,687.95 $1,499.95
FRCQ_550-870
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Holley's Sniper Stealth 4150 Master Kit gives you carburetor styling but functions just like the Sniper! A 4150 stealth is a great way to...

Holley Sniper EFI Quadrajet™ Master Kit - Classic Gold

$2,249.95 $1,999.95
FRCQ_550-869K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The Sniper EFI Quadrajet™ is here to help with classic installs, perfect for not having enough hood clearance to mount an adapter or don’t...
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550-869_hero18254.jpg 550-869_v118254.jpg Quick View

Supports Up To 500 HP - 3.5 in. LCD Touchscreen - For Spreadbore Manifold

$1,912.95 $1,699.95
FRCQ_550-869
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The Sniper EFI Quadrajet™ is here to help with classic installs, perfect for not having enough hood clearance to mount an adapter or don’t...

Holley Sniper EFI 2GC Small Bore - Classic Gold

$1,631.95 $1,449.95
FRCQ_550-866
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The Rochester 2GC small bore carburetor was commonly used on 1955 - 1969 Chevrolet and Buick, Oldsmobile, and Pontiac vehicles such as the Camaro,...
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550-84818221.jpg 550-848_v218221.jpg Quick View

Supports Up To 350 HP - 3.5 in. Handheld Monitor - Return Fuel System

$1,912.95 $1,699.95
FRCQ_550-858K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The Sniper BBD Master Kit includes a complete fuel system consisting of; 20ft of 3/8" vapor guard fuel hose, fuel pump, filters, and all...

Supports Up To 350 HP - 3.5 in. Handheld Monitor - No Fuel System

$1,574.95 $1,399.95
FRCQ_550-858
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Introducing the Sniper EFI BBD, for Jeep CJ's! The Sniper EFI BBD will be right at home on any 258ci powered trail rig, or...

Holley Sniper EFI 2GC Large Bore Master Kit - Classic Gold

$1,856.95 $1,649.95
FRCQ_550-857K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Not only does the Sniper EFI 2GC offer superior throttle response and WOT power over the carburetor, but you may also benefit from increased...
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Supports Up To 350 HP - 3.5 in. Handheld Monitor - Return Fuel System

$1,799.95 $1,599.95
FRCQ_550-850K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
With the Sniper 2300, you can put an end to cold start issues, hesitations, vapor lock, and engine flooding on many vehicle applications. Our...

Supports Up To 350 HP - 3.5 in. LCD Touchscreen - No Fuel System

$1,462.95 $1,299.95
FRCQ_550-850
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
With the Sniper 2300, you can put an end to cold start issues, hesitations, vapor lock, and engine flooding on many vehicle applications. Our...
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550-849k-revise18269.jpg 550-849-front.jpg Quick View

Supports Up To 350 HP - 3.5 in. Handheld Monitor - Return Fuel System

$1,743.95 $1,549.95
FRCQ_550-849K
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
With the Sniper 2300, you can put an end to cold start issues, hesitations, vapor lock, and engine flooding on many vehicle applications. Our...

Supports Up To 350 HP - 3.5 in. LCD Touchscreen - No Fuel System

$1,383.95 $1,229.95
FRCQ_550-849
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
With the Sniper 2300, you can put an end to cold start issues, hesitations, vapor lock, and engine flooding on many vehicle applications. Our...

Supports Up To 1500 HP - 3.5 in. LCD Touchscreen - 8 x 100 lb./hr. Injectors

$2,474.95 $2,199.95
FRCQ_550-841
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Featuring (8) 100 lb./hr. fuel injectors, the Stealth 4500 is a great option for any build looking to make between 800-1500 HP naturally aspirated...

Supports Up To 175 HP - 3.5 in. Handheld Monitor - One 100 LB/HR Injector

$1,265.95 $1,124.95
FRCQ_550-552
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Are you tired of struggling with the old Autolite model 1100 series carburetor on your classic Ford? The team at Holley has designed the...
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550-511-BXX copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$1,462.95 $1,299.95
FRCQ_550-511-BXX
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style...
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550-511-BXR copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$2,137.95 $1,899.95
FRCQ_550-511-BXR
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
New for Sniper 2 is the optional Power Distribution Module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition...
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550-511-BXK copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$1,912.95 $1,699.95
FRCQ_550-511-BXK
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style...
-11%
Sold out
550-511-BXD copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$2,137.95 $1,899.95
FRCQ_550-511-BXD
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2...
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550-511-BPX-SBF.jpg 550-511-BPX-SBF_02.jpg Quick View

Sniper 2 EFI Bundle with HyperSpark Ignition System

$2,249.95 $1,999.95
FRCQ_550-511-BPX-SBF
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper 2 was designed...
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550-511-BPX-SBC.jpg 550-511-BPX-SBC_02.jpg Quick View

Sniper 2 EFI Bundle with HyperSpark Ignition System

$2,249.95 $1,999.95
FRCQ_550-511-BPX-SBC
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper 2 was designed...
-11%
Sold out
550-511-BPX copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$1,574.95 $1,399.95
FRCQ_550-511-BPX
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2...
-11%
Sold out
550-511-BPR copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$2,249.95 $1,999.95
FRCQ_550-511-BPR
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style...
-11%
Sold out
550-511-BPK-SBF.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Sniper 2 EFI Bundle with HyperSpark Ignition System

$2,699.95 $2,399.95
FRCQ_550-511-BPK-SBF
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper 2 was designed...
-11%
Sold out
550-511-BPK-SBC.jpg 550-511-BPK-SBC_02.jpg Quick View

Sniper 2 EFI Bundle with HyperSpark Ignition System

$2,699.95 $2,399.95
FRCQ_550-511-BPK-SBC
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper 2 was designed...
-11%
Sold out
550-511-BPK copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$2,024.95 $1,799.95
FRCQ_550-511-BPK
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
New for Sniper 2 is the optional Power Distribution Module (PDM). This cost-effective and optional accessory isolates the core of your EFI and ignition...
-11%
Sold out
550-511-BPD copy.jpg 24d5ac8f626379528765dfc9e0d0c037d58146ab.jpg Quick View

Holley Sniper 2 EFI - Black

$2,249.95 $1,999.95
FRCQ_550-511-BPD
Air and Fuel Delivery Fuel Injection Conversion Kit Service Kits
If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2...
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