Holley EFI - Dominator EFI Multi Map Selector 558-407
Type: Multi Map Selector
The Multi Map Selector is designed specifically for use with Holley Dominator EFI systems (not HP). It allows for up to four different calibrations (Global Folders) to be selected at vehicle key-on (startup). The switch is connected into the J3 ECU Connector (included). Multiple maps can be used for many different purposes, such as different fuel types or octane, maps for different track conditions, different nitrous setups, etc.
Features:
- Part number includes (1) J3 ECU Connector, (1) Map Selector Switch (with wires and terminated pins), and (2) extra ECU pins.
Specs:
- Brand: Holley EFI
- Category: Air and Fuel Delivery
- Category: EFI - Fuel Injection
- Category: Fuel Injection - EFI
- Connector Gender: Female
- Emission Code: 5
- Grade Type: Performance
- Harness Type: Auxiliary
- Mounting Hardware Included: No
- Product Type: Multi Map Selector
- Terminal Gender: Female
Tech Resources:
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Important Notices
- Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
