Holley EFI Engine Control Module - Input/Output Module HTA2203F & 21-3) are not sold

& 21-3) are not sold separately

Pro-Flo 1000 Series

Up to 20 AN

Rated for up to 45psi of boost pressure

Ergonomic profiles available in 10 or 25 degree laybacks

Holley EFI Engine Control Module - Input/Output Module HTA2203F & 21-3) are not soldHP Dominator Requires V6 Software version Build 200 and higher. Terminator X requires V2 Software Build 51 and higher. HP and Terminator X EFI installations with only 4 inputs and 4 outputs can now add more functionality to their EFI system! Quickly expand Dominator ECU's Input Output control with 8 additional inputs and outputs The 554 165 kits contain a pre terminated CAN Harness, allowing you to quickly install the Holley EFI CAN Module to any