Holley EFI Water and Methanol Injection Solenoids 557-106 Solenoids, EFI, Water/Methanol, Solenoid/Nozzle, 1,000 cc/min, Aluminum, Black Solenoid Cover, with Fittings, Wire Harness, Each
Holley EFI Water and Methanol Injection Solenoids 557-106 Solenoids, EFI, Water/Methanol, Solenoid/Nozzle, 1,000 cc/min, Aluminum, Black Solenoid Cover, with Fittings, Wire Harness, Each
Description
Water Injection Solenoid - Fittings / Solenoid / Wiring Harness - Holley Water Injection Systems - Kit
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:15:40
Features
Vehicle Compatibility and Return Conditions.
This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.
Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.
Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Holley, Hilborn, Holley Efi, Retrobright, Terminator X |
| StreetFX SKU | hly557-106 |
| SFX Item ID | 4782864 |
| Accounting SKU | hly-557-106 |
| Manufacturer SKU | 557-106 |
| Manufacturer UPC | 090127669266 |
| Alternative References | 557-106, HLY-557-106, HOL557-106 |
Injection Solenoids, Holley EFI, Water/Methanol, Solenoid/Nozzle, 1,000 cc/min, Aluminum, Black Solenoid Cover, with Fittings, Wire Harness, Each
Holley EFI water and methanol injection solenoids, when used with their other water/meth injection components take your forced induction ride to the next level. Integrated into the Holley HP and Dominator EFI Systems is the capability to control water/methanol injection, allowing you to safely run on lower octane pump gas! These solenoids are run by an injector driver output and are compatible with a water/methanol mix of up to 50 percent methanol.
| Product Attributes | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | 557-106 |
| Part Type | Water/Methanol Injection System Solenoids |
| Product Line | Holley EFI Water and Methanol Injection Solenoids |
| UPC | 090127669266 |
| Solenoid Type | Water/Methanol injection |
| Solenoid Material | Aluminum |
| Solenoid Finish | Black anodized |
| Fittings Included | Yes |
| Quantity | Sold individually. |
| Notes | Includes wiring harness with pigtail connector and nozzle. Delivers 1,000cc of water/methanol per minute. For applications delivering up to 800 hp. |
Compatibility
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