Terminator Stealth 2x4 Main Harness 558-121
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Features:
- 2x4 Side Mount Stealth Throttle Bodies Ð Provide the great looks of a classic Holley 4150 Carburetor, without any of the hassles
- Multiple Color options allows for any Terminator Stealth EFI system to be upgraded to a 2x4
- Plug and Play Main Harness provides a clean finished appearance and allows for a quick install!
- Laptop Tuning is Required with this upgrade, we recommend taking your vehicle to a certified Holley EFI Tuner/Installer
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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