Select up to (4) different tunes

$206.95 USD~~$206.95 USD~~

Specifications Part numbers, fitment codes and shipping

Brand: Holley EFI
Speedzone SKU: GVMR_558-407
Manufacturer part number: 558-407
UPC: 00090127669341
Category: Engine Control Module
Shipping weight: 0.3 kg
EPA: N

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Notes

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.

Full details on shipping times, returns, warranty and cancellations are on our policy page.

Market conditions after 2020 have changed the landscape of automotive parts. Although we stock thousands of items across multiple warehouses and distribution channels, back-orders are unavoidable in today's market. If you need a product quickly, email, message or call us to check availability so we can explore your options.

Email Sales@Speedzoneweb.com
Call 407-846-8430
Text 407-749-6314

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