HOLLEY EFI CAN Input/Output Expansion Module Kit - 554-165HOLLEY EFI CAN Input Output Expansion Module Kit 554 165 The Holley EFI CAN Input Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installations. This CAN module will add (8) inputs and (8) outputs to the system which can be used to control additional accessories or provide critical sensor inputs. This module is perfect for anyone wanting to enhance the capabilities of their current ECU and have already

If you mill your heads

2 liter engine with cathedral port heads

Note: Will need lowering shocks for installation

O-Ring Seals at Cylinder Heads & Plenum Top

reduce max FWHP by 30%

and better seal

11/32" diameter

Street Heat Stage 1 Cam (SH001TR) 224/227

Bolt on legendary ignition performance with MSD’s direct replacement coils

Light Weight Construction

Technical Overview

Factory calibrated resistor does not require free-air calibration