Holley EFI Terminator X Service ECU (Part #554-152)
Condition: Open Box / Like New (Installed on a customer vehicle, but they changed their mind before use).
Save on a premium standalone engine management system. This genuine Holley Terminator X ECU was briefly mounted on a customer build before the setup was changed. It is completely unmarred, fully functional, and ready to serve as a direct service component or replacement unit for your Terminator X EFI installation.
Why You'll Love It:
• Open Box Discount: Get a mint-condition, authentic Holley unit at a lower price than brand new retail
• Smart Tuning: Features real-time fuel learning and integrated high-impedance injector drivers
• Built-In Sensors: Comes equipped with an integrated 1-bar MAP sensor (can be bypassed for external high-boost sensors)
• System Expansion: Provides 4 programmable inputs and 4 programmable outputs for electric fans, boost control, or progressive nitrous
• Easy Troubleshooting: Features 8 built-in multi-color diagnostic LEDs to quickly check TPS, cam, crank, or oxygen sensor status
• Complete Compatibility: Plug-and-play with all standard Holley Terminator X main wiring harnesses
We are a Holley Dealer so reach out with questions or if you need help with Holley product.