Holley Sniper 2 EFI Black 4150 Base Kit w/ 5" Handheld

Converting from carburetion to electronic fuel injection can improve drivability, throttle response, and fuel efficiency while simplifying cold starts and tuning. This Holley Sniper 2 EFI black 4150 base kit delivers a modern self-tuning EFI solution for engines equipped with a 4150 square-bore 4-barrel carburetor flange while maintaining a straightforward installation process without requiring a laptop.

Features and Benefits:
 - Self-tuning EFI conversion system
 - Fits 4150 square-bore flanges
 - Supports 650 naturally aspirated HP
 - Supports 575 boosted HP
 - Four 100 lb/hr injectors included
 - 5” handheld tuning display
 - Full-color, backlit display
 - Hidden harness wire design
 - Black finish throttle body

Applications:
 - 4150 square-bore 4-barrel carburetor flange

The Sniper 2 system uses an onboard calibration wizard to generate a self-learning base tune after answering a few basic setup questions. Four integrated 100 lb/hr fuel injectors support engines producing up to 650 horsepower naturally aspirated or 575 horsepower under boost. A fully color, backlit 5" handheld display allows setup, tuning, and real-time monitoring directly from the controller while providing customizable layouts for system data visibility. Additional updates include redesigned throttle shaft geometry for smoother throttle response, hidden harness routing for a cleaner engine bay appearance, redesigned injector connectors, and a contactless magnetic TPS sensor for accurate throttle position readings. The black finish throttle body delivers a clean, understated performance appearance ideal for modern street and performance applications.

Specifications:
EFI System Type: Throttle Body Injection
Carburetor Flange: 4150 Square Bore
Injector Size: 100 lb/hr (x4)
Maximum NA Horsepower: 650 HP
Boost Capability: Up to 575 HP
Finish: Black
Control Interface: 5” Handheld Display
Fuel Pump Type: Not Included
Power Distribution Module: Not Included

Please Note:
 - This is a base kit and does not include a fuel pump or Power Distribution Module (PDM).
 - Additional fuel system components may be required depending on vehicle configuration.
 - Sniper 2 EFI software does not support nitrous control.
 - Always verify fuel system capacity and application compatibility prior to ordering.