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.
Holley EFI – Select up to (4) different tunes
Original price was: $147.16.$105.36Current price is: $105.36.
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