Holley EFI Terminator X Max Transmission Kit - GM 6L80/6L90 558-499
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Features:
- Plug and play with any engine controlled by a Terminator X Max ECU
- V3 software unlocks more tuning potential and driveability options
- Supports Shift Mode, Tap Up/Tap Down, and Torque Management
- Included 3.5" LCD touchscreeen handheld tuner with integrated setup wizard
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
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