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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:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.9 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Works well.
Size: Medium Capacity
Air fryer and toaster work very well (Thats all I tried so far.). About 2 medium potatoes sliced into wedges fit in tray. The top and bottom get very hot. Will burn if you touch them.
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Reviewed in the United States on April 2, 2026
★★★★★ 4
Testing it out
Size: Medium Capacity
ORIGINAL REVIEW, OCT 2025:
So far this little oven is doing great. Right now it's 4 stars but has the potential to change as I use it more often, right now I've only used it a handful of times.
Heats up quickly so there's no growing old while waiting for preheating, a definite plus. The air fry option is super quiet, way more quiet than any air fryer I've ever had. Downside is there is no way to adjust temp for this setting so you really have to keep an eye on the food to see when it's done.
DO NOT USE PARCHMENT PAPER IN THIS OVEN! I made that mistake because I use it in my regular full size oven as well as my old air fryer, but it's not compatible with this oven! I almost started a fire! Good thing I didn't walk away from it.
I like that there's a timer feature so it will shut off, very helpful in times you are in the middle of something else at the same time and this avoids your food getting burnt. There's also a stay on feature in case you prefer that. For the timer you have to make sure you pass the 10 minute mark and then set it to the time you want.
The oven is smaller than I expected. I don't know yet if a pizza will actually fit, I'll update when I attempt it. I've only made English muffin pizzas and French bread pizzas so far.
One thing I really like about this oven is that it tends to cook food evenly. I've had toaster ovens that cook more on one side than the other and more on top than the bottom and it's frustrating! The stuff I've made in this oven were nice and crispy both on top and the bottom and it's so nice to not have pizza that's burnt on top and mushy on the bottom! I'm glad finally a manufacturer figured this out.
This toasts really nice too. Watch the time with this. My bread got toasted way faster than with my old one!
Overall I'm happy with this. I'll update as necessary.
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Reviewed in the United States on October 22, 2025
★★★★★ 5
Fast, Easy and Value for Money
Fast and Easy. Value for money. Highly recommended
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Reviewed in the United States on May 5, 2026
★★★★★ 5
quick response.
Good experience.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Great plan, easy refund process
Asurion refunded the cost of my tv when the screen started to fail. Highly recommend buying the protection plan as Asurion makes the refund process easy!
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Reviewed in the United States on April 9, 2026
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