Holley EFI CAN Input/Output Module - Without Harness 554-166 cataclean 6 V8 2003 - 2008

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Holley EFI CAN Input/Output Module - Without Harness 554-166 cataclean 6 V8 2003 - 2008Adds Up To Eight Inputs and Outputs Features: This module is perfect for anyone wanting their Holley EFI ECU to control more functions or monitor more data channels1 HP and Terminator X EFI installations with only 4 inputs and 4 outputs can now add more functionality to their EFI system! 2 Quickly expand Dominator ECU? s Input Output control with 8 additional inputs and outputs3 The 554 165 kits contain a pre terminated CAN Harness, allowing you to