Holley 558-407 Multi Map Selector for Dominator EFI ECM Calibration Switch

The Holley 558-407 Multi Map Selector is a key switch component designed for use with the Holley Dominator EFI system. This calibration select switch allows users to easily toggle between four separate maps, providing flexible engine tuning options for various driving conditions and performance preferences. Crafted with precision and durability, the switch ensures reliable operation in demanding automotive environments. Its compact design fits seamlessly into the vehicle's control system, making it an essential accessory for performance enthusiasts and professional tuners alike. Installation involves straightforward wiring, enabling quick setup and adjustment without extensive modifications. This kit is suitable for applications where precise engine management and calibration flexibility are a priority, offering a practical solution to optimize engine performance across multiple tuning parameters.

Features:

• Four separate map selection capability for versatile engine tuning

• Designed specifically for Holley Dominator EFI systems

• Easy installation with straightforward wiring connections

• Compact and durable construction for reliable operation

• Ideal for performance vehicles requiring multiple calibration settings