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

Upgrading to the latest Sniper 2 EFI technology can improve throttle response, connectivity, and overall system performance without replacing an entire EFI setup. This Holley Sniper 1 to Sniper 2 EFI black 4150 upgrade kit provides a simple plug-and-play solution for existing Sniper EFI users who want the latest Sniper 2 electronics and tuning capabilities while reusing their current wiring and sensors.

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

Designed for fast installation, this upgrade can typically be completed in under one hour using a guided setup wizard that automatically generates a self-learning base tune without requiring a laptop. The included Bluetooth interface module enables wireless tuning and real-time monitoring through compatible mobile devices for added convenience and modern control. Sniper 2 enhancements 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 also reuses existing coolant temperature and wideband oxygen sensors, simplifying installation while maintaining compatibility 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-focused appearance.

Kit Includes:
 - Sniper 2 EFI 4150 throttle body
 - Bluetooth interface module
 - 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.