- Fuel Injection Systems
- Holley Sniper 2 EFI Throttle Body Conversion Kits
Reliable, Powerful, and Easy-to-Install Throttle Body EFI Conversions
The Holley Sniper 2 EFI Conversion System has 14 updated features over previous kits and is easier to install, more reliable, and modernized to deliver power, efficiency, and self-tuning! Each throttle body system features a 4-barrel 4150 flange-style base, four injectors, and a four-wire connection.
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AVAILABILITY
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PART TYPE
PART TYPE
BRAND
BRAND
RATING
Vendor Part Number
Throttle Body Finish
Injection Style
Power Adder Compatible
Inlet Size
IAC Motor Included
TPS Sensor Included
Airflow Rate cfm
Wiring Harness Included
PRICE
EFI Systems
$1,169.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,169.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Holley 550-511-BXK
Holley 550-511-BXK Sniper 2 EFI Bluetooth Master Kit w/Inline Fuel Pump Master Kit [Black]
$1,569.95
Ships Monday
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Holley 550-510-BXK
Holley 550-510-BXK Sniper 2 EFI Bluetooth Master Kit w/Inline Fuel Pump Master Kit [Polished]
$1,569.95
Ships Monday
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$1,299.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,299.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Holley 550-511-3XX1
Holley 550-511-3XX Sniper 2 EFI Conversion Kit for Chevy Small & Big Block Engines [Black]
$2,104.92
Estimated to ship direct from manufacturer on 06/14/24, pending manufacturer availability.
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$2,104.92
Estimated to ship direct from manufacturer on 06/14/24, pending manufacturer availability.
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Holley 550-510-3XX1
Holley 550-510-3XX Sniper 2 EFI Conversion Kit for Chevy Small & Big Block Engines [Shiny]
$2,102.22
Estimated to ship direct from manufacturer on 07/12/24, pending manufacturer availability.
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$2,102.22
Estimated to ship direct from manufacturer on 07/12/24, pending manufacturer availability.
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Holley 550-510-3XX2
Holley 550-510-3XX Sniper 2 Throttle Body EFI & Adapter Harness Conversion Kit [Shiny]
$1,349.90
Ships Monday
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Holley 550-510-3AX
Holley 550-510-3AX Sniper 2 EFI Throttle Body & Adapter Harness Upgrade Kit w/o Fuel System Kit [Shiny]
$1,099.95
Ships Monday
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Holley 550-510-3AE
Holley 550-510-3AE Sniper 2 EFI Throttle Body & Adapter Harness Upgrade Kit w/Fuel System Kit [Shiny]
$1,199.95
Estimated to ship direct from manufacturer on 06/04/24, pending manufacturer availability.
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$1,199.95
Estimated to ship direct from manufacturer on 06/04/24, pending manufacturer availability.
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Holley 550-511-3PX
Holley 550-511-3PX Sniper 2 EFI Conversion w/Power Distribution Module (PDM) [Black]
$1,449.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,449.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Holley 550-510-3PX
Holley 550-510-3PX Sniper 2 EFI Conversion w/Power Distribution Module (PDM) [Shiny]
$1,449.95
Estimated to ship direct from manufacturer on 06/04/24, pending manufacturer availability.
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$1,449.95
Estimated to ship direct from manufacturer on 06/04/24, pending manufacturer availability.
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Holley 550-511-3XK
Holley 550-511-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit [Black]
$1,699.95
Ships Monday
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Holley 550-511-3XK1
Holley 550-511-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit for Chevy Small & Big Block Engines [Black]
$2,504.92
Estimated to ship direct from manufacturer on 06/14/24, pending manufacturer availability.
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$2,504.92
Estimated to ship direct from manufacturer on 06/14/24, pending manufacturer availability.
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Lowest Price Guarantee
Holley 550-510-3XK
Holley 550-510-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit [Shiny]
$1,699.95
Ships Monday
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Holley 550-511-3AX
Holley 550-511-3AX Sniper 2 EFI Throttle Body & Adapter Harness Upgrade Kit w/o Fuel System Kit [Black]
$1,099.95
Ships Monday
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Holley 550-511-3AE
Holley 550-511-3AE Sniper 2 EFI Throttle Body & Adapter Harness Upgrade Kit w/Fuel System Kit [Black]
$1,199.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,199.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Holley 550-510-3XK1
Holley 550-510-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit for Chevy Small & Big Block Engines [Shiny]
$2,502.22
Estimated to ship direct from manufacturer on 07/12/24, pending manufacturer availability.
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$2,502.22
Estimated to ship direct from manufacturer on 07/12/24, pending manufacturer availability.
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Holley 550-511-3XX2
Holley 550-511-3XX Sniper 2 Throttle Body EFI & Adapter Harness Conversion Kit [Black]
$1,349.90
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,349.90
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Holley 550-511-3PK
Holley 550-511-3PK Sniper 2 EFI Conversion w/Power Distribution Module (PDM) & Inline Fuel Pump Master Kit [Black]
$1,849.95
Ships Monday
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Holley 550-510-3PK
Holley 550-510-3PK Sniper 2 EFI Conversion w/Power Distribution Module (PDM) & Inline Fuel Pump Master Kit [Shiny]
$1,849.95
Estimated to ship direct from manufacturer on 06/13/24, pending manufacturer availability.
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$1,849.95
Estimated to ship direct from manufacturer on 06/13/24, pending manufacturer availability.
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Holley 550-511-3XR
Holley 550-511-3XR Sniper 2 EFI Conversion w/Return-Style Drop-In Fuel Pump Module [Black]
$1,849.95
Estimated to ship direct from manufacturer on 06/10/24, pending manufacturer availability.
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$1,849.95
Estimated to ship direct from manufacturer on 06/10/24, pending manufacturer availability.
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Holley 550-510-3XR
Holley 550-510-3XR Sniper 2 EFI Conversion w/Return-Style Drop-In Fuel Pump Module [Shiny]
$1,849.95
Estimated to ship direct from manufacturer on 06/10/24, pending manufacturer availability.
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$1,849.95
Estimated to ship direct from manufacturer on 06/10/24, pending manufacturer availability.
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Holley 550-511-3XD
Holley 550-511-3XD Sniper 2 EFI Conversion w/Returnless Drop-In Fuel Pump Module [Black]
$1,849.95
Ships Monday
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Holley 550-510-3XD
Holley 550-510-3XD Sniper 2 EFI Conversion w/Returnless Drop-In Fuel Pump Module [Shiny]
$1,849.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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$1,849.95
Estimated to ship direct from manufacturer on 06/05/24, pending manufacturer availability.
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Bluetooth Module
Wiring Harnesses
Holley 558-329
Holley 558-329 Tachometer Input Ignition Adapter for Sniper 2 EFI Conversions w/CD Ignition
$24.95
Ships Monday
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3.5 in. Touchscreens
Holley 553-202 LCD Handheld Controller Interface w/3.50 in. Touch Screen for Sniper 2 EFI Conversion
Holley 553-202
Holley 553-202 LCD Handheld Controller Interface w/3.50 in. Touch Screen for Sniper 2 EFI Conversion
$249.95
Ships Monday
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