$113 Off

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

$113 Off

#425550510BXX

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

More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces

Finish:

Polished

Fuel System:

Not Included

Master Universal Returnless Drop In Module Universal Drop In Module

Hyperspark Ignition Kit:

Power Distribution Module:

User Interface:

Bluetooth Module

$1,349.95

In Stock

$1,462.95

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Product Summary

Universal Fit, Throttle Body Injection Style

More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces
Simplifies wiring by consolidating EFI and ignition connections into one location, reducing installation complexity
Includes a redesigned ECU, smoother throttle feel, advanced TPS sensor, and improved fuel system components, all aimed at enhancing drivability, fuel economy, and reliability

See more details

Key Specs

Injection Style	Throttle Body
Injector Size	100 lb/hr @ 58.5 PSI
Max Horsepower Rating	650
ECM Included	Yes
Throttle Body Style	Throttle Body Injection (TBI)

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Holley Sniper 550-510-BXX Details

The Sniper 2 EFI is an enhanced self-tuning, easy-to-install fuel injection system designed for 4-barrel carburetors, offering advanced features for better performance and reliability.

More modern and user-friendly, with a streamlined installation requiring only four wiring connections and no laptop for tuning
Supports up to 650hp naturally aspirated or 575hp with forced induction, using 100 lb/hr injectors for optimal fuel delivery
Fully compatible with Sniper's complete ecosystem, including Hyperspark ignition, fuel systems, and multiple tuning interfaces
Simplifies wiring by consolidating EFI and ignition connections into one location, reducing installation complexity
Includes a redesigned ECU, smoother throttle feel, advanced TPS sensor, and improved fuel system components, all aimed at enhancing drivability, fuel economy, and reliability

Guides & Documents

Fuel Injection Systems Installation Instructions (425550510BXX)

Fuel Injection Systems Warranty (425550510BXX)

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 WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Holley Sniper 550-510-BXX Specifications

KEY SPECS
MFG. Part #	550-510-BXX
Brand	Holley Sniper
Injection Style	Throttle Body
Injector Size	100 lb/hr @ 58.5 PSI
Max Horsepower Rating	650
ECM Included	Yes
Throttle Body Style	Throttle Body Injection (TBI)

GENERAL
CFM	800 CFM
User Tunable	Yes
Self Tuning	Yes
Injectors Included	Yes
Intake Manifold Included	No
Metering Style	Speed density
EGR	No
Throttle Body Included	Yes
Throttle Body Material	Cast Aluminum
Throttle Body Finish	Powder Coated
Throttle Body Flange Type	4-Barrel Square Bore
Venturi Quantity	4
Fuel Pump Included	No
Calibration Module Included	Yes
Wiring Harness Included	Yes
Fuel Pressure Regulator Included	No
MAP Sensor Included	Yes
IAC Motor Included	Yes
IAT Sensor Included	Yes
TPS Sensor Included	Yes
Airflow Rate	800
Color	Black
Throttle Body Barrels	4-Barrel
Gaskets Included	No
Hardware Included	Yes
Sold in Quantity	Kit

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