Holley EFI Terminator X Stealth 4500 – Shiny

Holley EFI Terminator X Stealth 4500 – Shiny

The Holley EFI Terminator X Stealth 4500 – Shiny is a bolt-on EFI system designed to replace your 4500 flange carburetor, supporting up to 1500 HP naturally aspirated or 1250 HP forced induction engines. Featuring eight 100 lb/hr injectors and a 2.125” throttle bore, it offers precise fuel and ignition control with a self-tuning ECU, making it ideal for high-performance American V8 builds.

Key Features

• Bolt-on 4500 flange carburetor replacement with Dominator style 4-bolt air cleaner flange
• Eight 100 lb/hr injectors supporting up to 1500 HP naturally aspirated or 1250 HP forced induction
• 2.125” throttle plates flowing 1440 CFM for large cubic inch engines
• Integrated ignition timing control and self-tuning ECU with simple calibration wizard—no laptop required
• High-resolution full-color touchscreen for setup, tuning, and gauge displays
• Supports boost control, knock retard, dry and multi-stage nitrous control, and datalogging
• Includes weld-in O2 sensor bung and OEM style TPS/IAC for reliable service
• Plug-and-play compatible with Holley EFI accessories and CAN-BUS support

Fitment

• Designed to replace 4500 flange carburetors on American V8 engines
• Fits Gen 3 Ultra Dominator air cleaners and fuel crossovers

Note: External fuel pressure regulator is required (not included). Verify compatibility with your vehicle and fuel system before ordering. Installation requires basic mechanical and tuning knowledge; handheld controller included for easy setup.