Holley Sniper 1 to Sniper 2 EFI Black 4150 Upgrade Kit w/ Bluetooth & Fuel Regulator

Upgrading an existing Sniper EFI system to the latest Sniper 2 technology can improve throttle response, tuning capability, and overall drivability without requiring a complete EFI replacement. This Holley Sniper 1 to Sniper 2 EFI black 4150 upgrade kit provides a simple plug-and-play solution that reuses existing wiring and sensors while delivering enhanced electronics, improved connectivity, and modern self-learning EFI performance.

Features and Benefits:
 - Upgrade from Sniper EFI to Sniper 2
 - Plug-and-play Sniper 2 upgrade kit
 - Bluetooth tuning and monitoring included
 - Reuses existing wiring and sensors
 - Self-learning base tune setup wizard
 - Improved throttle response and system reliability
 - Hidden harness routing for cleaner installation
 - Black finish throttle body included

Applications:
 - Vehicles currently equipped with Sniper EFI 4150 throttle body systems

Installation can typically be completed in under one hour using the integrated setup wizard that automatically generates a self-learning base tune without requiring a laptop or tuning experience. The included Bluetooth interface module enables wireless tuning and real-time monitoring through compatible mobile devices for convenient system control and adjustment. This upgrade kit also includes a fuel pressure regulator to help maintain consistent fuel pressure and proper system operation during the conversion. Sniper 2 improvements include redesigned throttle shaft and plate geometry for smoother throttle response, improved RF interference resistance for more reliable operation, updated CAN bus communication, hidden harness routing for a cleaner engine bay appearance, and a contactless magnetic TPS sensor for precise throttle position readings. The system reuses existing coolant temperature and wideband oxygen sensors while remaining compatible with the complete Sniper EFI ecosystem for future ignition, display, and fuel system upgrades. A black finish throttle body completes the package with a clean, performance-oriented appearance.

Kit Includes:
 - Sniper 2 EFI 4150 throttle body
 - Bluetooth interface module
 - Fuel pressure regulator
 - Required upgrade hardware

Specifications:
EFI System Type: Throttle Body Injection (Upgrade Kit)
Carburetor Flange: 4150 Square Bore
Finish: Black
Control Interface: Bluetooth, Mobile
Fuel System Components: Reuses Existing System
Power Distribution Module: Not Included

Please Note:
 - Designed only for upgrading existing Sniper EFI systems.
 - Not a complete EFI kit – Fuel system components not included.
 - Sniper 2 EFI software does not support nitrous control.
 - Always verify fuel system capacity and application compatibility prior to ordering.