Holley EFI - 558-121

Terminator® Stealth Series Main Harness; 2x4; EFI Upgrade; Plug and Play;

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!

• 2x4 Side Mount
• Provides The Great Looks Of A Classic Holley 4150 Carb
• Multiple Color Options Allows For Any EFI System To Be Upgraded
• Plug and Play Main Harness Provides A Clean Finished Appearance
• Allows For Quick Install
• Laptop Tuning Is Required With This Upgrade
• We Recommend Taking To Certified Holley EFI Tuner/Installer