$138 Off

Holley Sniper 550-510-BXR 4-barrel Self-Tuning EFI Conversion Kit

$138 Off

Holley Sniper 550-510-BXR 4-barrel Self-Tuning EFI Conversion Kit
Holley Sniper

|

#425550510BXR

Holley Sniper 550-510-BXR 4-barrel Self-Tuning EFI Conversion Kit

  • Requires just four wiring connections and a user-friendly calibration wizard that allows the system to begin self-tuning without a laptop or tuning experience
  • upports up to 650hp naturally aspirated or 575hp with boost, using 100 lb/hr injectors, with a new ECU that resists RF interference and noise.
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Finish:

Polished

Black

Fuel System:

Universal Drop In Module

Not IncludedMasterUniversal Returnless Drop In Module

Hyperspark Ignition Kit:

No

Power Distribution Module:

No

Yes

User Interface:

Bluetooth Module

3.5 In. Handheld5 In. Handheld

$1,999.95

/kit

In Stock

$2,137.95

Save $138.00


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Product Summary

Universal Fit, Throttle Body Injection Style, Polished

  • Requires just four wiring connections and a user-friendly calibration wizard that allows the system to begin self-tuning without a laptop or tuning experience
  • upports up to 650hp naturally aspirated or 575hp with boost, using 100 lb/hr injectors, with a new ECU that resists RF interference and noise.
  • Compatibility with Sniper Ecosystem: Works with Hyperspark Ignition, fuel systems, and multiple display interfaces (LCD handheld, digital dash, or Bluetooth app for mobile control)
  • Simplifies wiring by consolidating EFI and ignition systems into a single, easy-to-use module
  • Includes integrated transmission kick-down for GM and Ford transmissions, redesigned components for reliability, and a Bosch wideband oxygen sensor for real-time fuel map adjustments
See more details

Key Specs

Injection StyleThrottle Body
Injector Size100 lb/hr @ 58.5 PSI
Max Horsepower Rating650
ECM IncludedYes
Throttle Body StyleThrottle Body Injection (TBI)
See more specs

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Holley Sniper 550-510-BXR Details

Sniper 2 EFI is a self-tuning, easy-to-install EFI conversion system for 4-barrel carburetors, improving upon the original Sniper EFI system with 14 new features for better performance, reliability, and user-friendliness. Key features include.

  • Requires just four wiring connections and a user-friendly calibration wizard that allows the system to begin self-tuning without a laptop or tuning experience
  • upports up to 650hp naturally aspirated or 575hp with boost, using 100 lb/hr injectors, with a new ECU that resists RF interference and noise.
  • Compatibility with Sniper Ecosystem: Works with Hyperspark Ignition, fuel systems, and multiple display interfaces (LCD handheld, digital dash, or Bluetooth app for mobile control)
  • Simplifies wiring by consolidating EFI and ignition systems into a single, easy-to-use module
  • Includes integrated transmission kick-down for GM and Ford transmissions, redesigned components for reliability, and a Bosch wideband oxygen sensor for real-time fuel map adjustments

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.
CA Prop 65
CARB warning

Holley Sniper 550-510-BXR Specifications

KEY SPECS
MFG. Part #550-510-BXR
BrandHolley Sniper
Injection StyleThrottle Body
Injector Size100 lb/hr @ 58.5 PSI
Max Horsepower Rating650
ECM IncludedYes
Throttle Body StyleThrottle Body Injection (TBI)
GENERAL
CFM800 CFM
User TunableYes
Self TuningYes
Injectors IncludedYes
Intake Manifold IncludedNo
Metering StyleSpeed density
EGRNo
Throttle Body IncludedYes
Throttle Body MaterialCast Aluminum
Throttle Body FinishPolished
Throttle Body Flange Type4-Barrel Square Bore
Venturi Quantity4
Fuel Pump IncludedYes
Calibration Module IncludedYes
Wiring Harness IncludedYes
Fuel Pressure Regulator IncludedYes
MAP Sensor IncludedYes
IAC Motor IncludedYes
IAT Sensor IncludedYes
TPS Sensor IncludedYes
Airflow Rate800
ColorPolished
Throttle Body Barrels4-Barrel
Gaskets IncludedNo
Hardware IncludedYes
Flow Rating340
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