$217 Off

Holley Sniper 550-512 EFI Super 1250 4-Barrel Self-Tuning Kit

$217 Off

#425550512

Holley Sniper 550-512 EFI Super 1250 4-Barrel Self-Tuning Kit

Name: Holley Sniper 550-512 EFI Super 1250 4-Barrel Self-Tuning Kit
Brand: Holley Sniper
SKU: 425550512
Price: 1947.99 USD
Availability: Discontinued

Write a Review

Ask a Question

Discontinued

This item is currently not available

Shop all Fuel Injection Systems

Product Summary

Universal Fit, Throttle Body Injection Style, Gold

See more details

Key Specs

Injection Style	Throttle Body
Injector Size	100 lbs./hr.
Max Horsepower Rating	1250
ECM Included	Yes
Throttle Body Style	Throttle Body Injection (TBI)

See more specs

Need To Know

Need help?

855.313.9176

View the Help Center

Quick and Easy Returns

Return Policy

Holley Sniper 550-512 Details

Want to convert your blow thru carbureted turbo engine to EFI? Well take a look what Holley has for you! The Super Sniper 4150 EFI systems features 8, 100LB/HR fuel injectors capable of supporting up to 1250 HP on forced induction or nitrous applications. Toss that nitrous controller away because the Super Sniper also has full nitrous control built-in! Every Super Sniper EFI system also comes with a USB to CAN tuning cable, as well as free downloadable Sniper EFI software to give you unlimited control of your engine.

1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction)
The 800 CFM Main Body will support 700 Horsepower Naturally Aspirated
Compatible with Draw thru or blow thru forced induction applications
Built-in Single stage progressive nitrous control
Programmable inputs and outputs
Integrated ignition timing control for precise timing curves
Only 4 Wiring Connections Required! (Battery +, Battery-, Switched Ignition & RPM)
Internal fuel pressure regulator eliminates the hassle of plumbing an external fuel pressure regulator (Preset to 58.5 PSI) for N/A or Nitrous applications
Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI
High-Resolution Full Color Touchscreen for initial Setup, Tuning, and Gauge Displays
Simple Calibration Wizard (Answer a few questions about your engine, and it creates the base map, then starts tuning on its own!) - NO laptop required
The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn
OEM Style TPS/IAC and fuel pressure regulator, for years of dependable service
Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
Throttle body mounted ECU – no extra boxes to mount
USB to CAN Communication cable included for easy laptop tuning of advanced controls
Compatible with Holley EFI analog gauges and electronic dashes

Charts

Quickstart Guide (PDF)

Instruction Manual (PDF)

Quick Start Manual (PDF)

Installation Manual (PDF)

Guides & Documents

Fuel Injection Systems Installation Instructions (425550512)

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or 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.

CARB warning

Holley Sniper 550-512 Specifications

KEY SPECS
MFG. Part #	550-512
Brand	Holley Sniper
Injection Style	Throttle Body
Injector Size	100 lbs./hr.
Max Horsepower Rating	1250
ECM Included	Yes
Throttle Body Style	Throttle Body Injection (TBI)

GENERAL
Carburetor Flange Type	4-Barrel Square Bore
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	Gold
Venturi Quantity	4
Fuel Pump Included	No
Fuel Rails Included	No
Calibration Module Included	Yes
Wiring Harness Included	Yes
Fuel Pressure Regulator Included	Yes
Distributor Included	No
MAP Sensor Included	Yes
IAC Motor Included	Yes
IAT Sensor Included	No
TPS Sensor Included	Yes
Emission Code	3
Use with Power Adder	Yes
Venturi Diameter	44.45mm
Throttle Body Barrels	4-Barrel
GTIN Code	090127039656
Sold in Quantity	Kit

Ratings & Reviews

Be the first to write a review.

Questions & Answers

Be the first to ask a question.