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Holley EFI 558-121 Terminator Stealth 2x4 Main Harness

2x4 Main Harness

Part # 558-121 Be the first to write a review

Holley EFI 558-121 Terminator Stealth 2x4 Main Harness

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$389.95
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

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Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle body, install a new main harness, and slave throttle body, and you are finished. This upgrade is also perfect for anyone wanting to convert their 2x4 supercharged combo over to Electronic Fuel Injection!

Features:

  • 2x4 Side Mount Stealth Throttle Bodies â€" 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
Brand Holley EFI
Emission Code3
Product TypeEFI Harnesses
UPC090127009239
Manufacturer Part Number558-121
Part Number558-121
3

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.