Take control of your Terminator X EFI system like never before with the Holley 558-483 Bluetooth Module. This compact, high-tech add-on enables wireless tuning and live engine monitoring right from your iOS or Android smartphone (note: tablets are currently not supported). Whether you're making quick adjustments or fine-tuning for performance, you can use the module on its own or pair it with compatible digital dash displays for even more functionality.

Holley 558-483 Bluetooth Module for Terminator X EFI Systems

• Provides wireless communication with your Holley Terminator X or X Max ECU via Bluetooth
• Compatible with both iOS and Android devices for complete on-the-go tuning control
• Includes built-in Terminator X EFI Wizard for quick setup, plus access to basic and advanced tuning functions
• Allows easy adjustment of key parameters such as rev limiter RPM and idle speed without a laptop
• Features customizable live dash display that turns your phone into a digital dashboard
• Uses your phone’s accelerometer to estimate and display vehicle speed in real time
• Equipped with a Mizu-style CANbus connector for simple, plug-and-play installation