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-37% Discontinued! Sniper 4150 2x4 EFI System ***DISCONTINUED***

Discontinued--But you have options!

Yes, we were pretty surprised by Holley's decision to discontinue the Sniper 2x4 EFI System as well. We have no idea if they'll resurrect this with the new Sniper 2 throttle bodies. But, recognize that there is another outstanding 2x4 EFI system option at your disposal. Holley is still offering the Terminator X Stealth 2x4 EFI System. Get yours while they are still available.

Boost ControlYes
DIS OutputsNone
Fueling StrategySpeed Density
Includes Power HarnessYes
Injector DriversEight
Internal DataloggingNo. All datalogging done via external CAN bus device such as 3.5-inch handheld (included), laptop software, or digital display.
Knock Control Channels0
Nitrous ControlYes
Number of Cylinders8 Cylinder (Even Fire Only)
User Configurable I/OYes
User-Selectable MAP StorageNo
Water-Methanol ControlNo
Displays And Controllers
Auto BrightnessNo
CAN Bus CapableYes (Specific to Holley ECUs Only)
Case/Bezel FinishBlack
ConfigurableMonitor dozens of pre-configured metrics provided by the ECU, including sensors, air/fuel ratio, switched outputs, drive-by-wire data, and more.
Data LoggingYes
Display TypeLCD
FunctionsSetup, Monitor, Tuning
Gauge/Display Size3.5 Inch Rectangular
Internal StorageYes (SD Card)
Throttle Bodies
Airflow Rate (CFM)800 CFM per Throttle Body (at 1.5 Inches Hg)
Barrels (BBL)4
Gaskets IncludedYes
IAC Motor IncludedYes
Injectors IncludedYes
StyleThrottle Body Injection
Throttle Bore Diameter (ea)42.86mm
TPS Sensor IncludedYes
Fuel Injectors
Flow Rate (Lbs / Hr)100 PPH
Fuel Pressure Regulators
StyleIntegrated in Throttle Body
Fuel Filters
Mounting Bracket IncludedMaster Kit Only: No
Harness Type7-pin Power/Ignition/Fuel Pump, 10-Pin I/O, Wideband O2, Coolant Temp, CAN Bus (All fixed to Throttle Body). Super adds second 8-Pin I/O Harness.
Crank Timing
Sensor Harness IncludedNo (Ignition Adapter Only)
TypeAir Temperature, 2.5 BAR MAP and Throttle Position (Integrated in TB); Coolant Temperature, Wideband O2
Also Included3.5-inch Touchscreen Display
ApplicationUniversal (Requires intake manifold for square bore carburetor or adapter there-to)
ColorStandard: Shiny Silver (550-527), Ceramic Black (550-528), or Classic Gold (550-529) Super: Shiny Silver (550-531), Ceramic Black (550-532), or Classic Gold (550-533)
Emission Code3
Unit of SaleKit

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Sniper 4150 2x4 EFI System ***DISCONTINUED***

  • Views: 37678
  • Brand: Sniper EFI
  • Product Code: 550-527 | 550-528 | 550-529 | 550-531 | 550-532 | 550-533
  • Availability: Discontinued!
  • $2,616.00
  • $1,647.76