- 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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PART TYPE
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Injection Style
Power Adder Compatible
Inlet Size
IAC Motor Included
TPS Sensor Included
Airflow Rate cfm
Throttle Body Finish
Wiring Harness Included
PRICE
EFI Systems
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 in 24hrs
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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
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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
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$1,719.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
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$1,719.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550510BPKSBC
Holley 550-510-BPK-SBC Sniper 2 Bundle EFI Conversion Master Kit for Small Block Chevy [Shiny Finish]
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
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$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
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Holley 550510BPKSBF
Holley 550-510-BPK-SBF Sniper 2 EFI Conversion Master Kit for Small Block Ford [Shiny Finish]
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
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$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
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FREE Shipping
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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 09/11/24, pending manufacturer availability.
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FREE Shipping
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$1,449.95
Estimated to ship direct from manufacturer on 09/11/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
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$1,319.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,319.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-510-BPX-SBC Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Chevy [Shiny Finish]
Holley 550510BPXSBC
Holley 550-510-BPX-SBC Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Chevy [Shiny Finish]
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
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$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
Holley 550510BPXSBF
Holley 550-510-BPX-SBF Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Ford [Shiny Finish]
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
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$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
Holley 550-510-3XD
Holley 550-510-3XD Sniper 2 EFI Conversion w/Returnless Drop-In Fuel Pump Module [Shiny]
$1,849.95
Ships Today
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Holley 550-510-3XK
Holley 550-510-3XK Sniper 2 EFI Conversion Kit w/Inline Fuel Pump Master Kit [Shiny]
$1,699.95
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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]
$2,530.18
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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 08/22/24, pending manufacturer availability.
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$1,849.95
Estimated to ship direct from manufacturer on 08/22/24, 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]
$2,130.18
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Holley 550-510-3XX2
Holley 550-510-3XX Sniper 2 Throttle Body EFI & Adapter Harness Conversion Kit [Shiny]
$1,351.40
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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
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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 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,199.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
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
Estimated to ship direct from manufacturer on 09/11/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,099.95
Estimated to ship direct from manufacturer on 09/11/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
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 Today
FREE Shipping
Lowest Price Guarantee
$1,719.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,719.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550511BPKSBC
Holley 550-511-BPK-SBC Sniper 2 Bundle EFI Conversion Master Kit for Small Block Chevy [Black Finish]
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
Holley 550-511-BPK-SBF Sniper 2 Bundle EFI Conversion Master Kit for Small Block Ford [Black Finish]
Holley 550511BPKSBF
Holley 550-511-BPK-SBF Sniper 2 Bundle EFI Conversion Master Kit for Small Block Ford [Black Finish]
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$2,299.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
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 09/11/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$1,449.95
Estimated to ship direct from manufacturer on 09/11/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$1,319.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
$1,319.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
FREE Shipping
Lowest Price Guarantee
Holley 550-511-BPX-SBC Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Chevy [Black Finish]
Holley 550511BPXSBC
Holley 550-511-BPX-SBC Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Chevy [Black Finish]
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
Holley 550511BPXSBF
Holley 550-511-BPX-SBF Sniper 2 Bundle EFI Conversion Basic Kit for Small Block Ford [Black Finish]
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
$1,899.95
Estimated to ship direct from manufacturer on 08/19/24, pending manufacturer availability.
![NEW](/images/icons/newitembadge.png)
FREE Shipping
Lowest Price Guarantee
Holley 550-511-3XD
Holley 550-511-3XD Sniper 2 EFI Conversion w/Returnless Drop-In Fuel Pump Module [Black]
$1,849.95
Ships Today
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FREE Shipping
Lowest Price Guarantee