SKU: 25204707865

Holley EFI CAN Input/Output Module Kit 554-165

Sale price$233.98 Regular price$259.98
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USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Holley EFI CAN Input/Output Module Kit 554-165Adds 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

Adds 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 quickly install the Holley EFI CAN Module to any existing Holley EFI installation.4
  • Pre-Terminated flying leads makes installing new wires a breeze.5
  • Inputs can be used for things such as:6
  • -Switch 12v Toggle Switches - can be configured for external mechanical relays, or setup as digital switches via a Holley EFI dash7
  • - Ground input for brake pedal switch8
  • -5v analog inputs for sensors like fuel pressure, oil pressure, or nitrous bottle pressure9
  • -Thermistor inputs for Coolant temperature sensors10
  • Outputs can be used for things such as:11
  • -Switch Low (Ground) ? For relay control or activation12
  • -Switch Low PWM (Ground) ? -Switch Low PWM (Ground) ? PWM Fan control ? PWM Fuel Pump control - or other PWM- controlled devices.13
  • Adjustable broadcast rate for each channel - from 0-100hz.14

Specs:

Brand Holley EFI
Emission Code 5
Product Type CAN Input Output Module
Sale Category Air and Fuel Delivery
Warning California Proposition 65

Application:

Year Make Model Submodel
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25204707865

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KelQL
Fort Morgan, US
★★★★★ 5
Cute slip-ons - so easy and quick!
Size: 13 Little Kid, Color: Hot Pink/Multi
These shoes are adorable, comfortable according to my kid, and super easy to pull on!
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Reviewed in the United States on January 17, 2026
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Rick
Whiting, US
★★★★★ 5
Durable
Size: 6 Big Kid, Color: Aqua/Multi
Good shoes. True to size
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Reviewed in the United States on February 18, 2026
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Redhead75
Birmingham, US
★★★★★ 5
So good!
Size: 4 Big Kid, Color: Aqua/Multi
As always sketchers give her great support nd comfort while being cute and easy on off! Slip resistant, breathable and size is spot on and super durable wash great and dry quick
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Reviewed in the United States on October 28, 2025
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AMA
Cuba, US
★★★★★ 5
Fantastic, stylish, and easy shoes!
Size: 2.5 Little Kid, Color: Aqua/Multi
My daughter LOVES these and wears them daily. She says they're really comfy and they slip on easily. They've held up for several months of daily wear so far and are still going strong!
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Reviewed in the United States on September 15, 2025
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Janis H.
Omaha, US
★★★★★ 5
Great shoes
Size: 3.5 Big Kid, Color: Hot Pink/Multi
These shoes are awesome! Have good arch support and very comfortable
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Reviewed in the United States on May 12, 2026

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