Dominator EFI Multi Map Selector
Dominator EFI Multi Map Selector
Dominator EFI Multi Map Selector
4.7 · 3 reviews
SKU: 558-407

Dominator EFI Multi Map Selector

$176.99
FREE delivery
Description

ABOUT THIS PRODUCT

Designed to be used with the Holley Dominator EFI systems with multiple maps to select between up to four different types of tunes. These tunes can be used for many purposes, ranging from using certain fuel types, track conditions, and using nitrous setups. The switch is connected into the J3 ECU connector, with the calibrations being selected at in the vehicle key-on startup.

Product Features:
  • Can switch between (4) different tunes
  • (1) J3 ECU Connector
  • (1) Map Selector Switch (with wires and terminated pins)
  • (2) extra ECU pins
Specifications
Brand
Holley EFI (770)
SKU
558-407
Product type
Automotive
Guides & Resources
User Guide
Returns Policy
Shipping Information

Free shipping on all orders. Most items ship next business day after your order is placed.

Returns Policy

Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.

View full returns policy

Customer Reviews

4.7

Based on 3 reviews

52
41
30
20
10
R
Riley N. Verified Buyer
06/08/2025

No complaints

Quick delivery and the product exceeded my expectations.

M
Maria K. Verified Buyer
08/17/2025

Would buy again

Does what it is supposed to do. Happy with this purchase.

T
Ted R. Verified Buyer
02/03/2025

Works perfectly

Setup was simple and it has worked reliably since day one.

Share your thoughts