Holley EFI Terminator X Stealth 2×4 4500 Kit – Black

Holley EFI Terminator X Stealth 2×4 4500 Kit – Black

The Holley EFI Terminator X Stealth 2×4 4500 Kit – Black is a high-performance EFI system designed to replace 4500 flange carburetors on 2×4 intake manifolds. Featuring eight 100 lb/hr fuel injectors, it supports up to 1500 HP naturally aspirated or 1250 HP forced induction engines. This kit includes a self-tuning ECU with ignition timing control, a full-color touchscreen, and Bosch LSU 4.9 wideband oxygen sensor for advanced fuel management and improved drivability.

Key Features

• Bolt-on 4500 flange carburetor replacement for 2×4 intake manifolds
• Supports up to 1500 HP naturally aspirated or 1250 HP forced induction
• Two throttle bodies with 2.125” throttle plates, flowing 1440 CFM each
• Gen 3 Ultra Dominator style 4-bolt air cleaner flange
• Self-tuning ECU with ignition timing control and simple calibration wizard
• Includes genuine Bosch LSU 4.9 wideband oxygen sensor with weld-in bung
• Universal engine harness for broad engine compatibility
• Supports boost, knock retard, datalogging, traction control, and nitrous control
• High-resolution full-color touchscreen for setup, tuning, and gauges

Fitment

• Fits 2×4 intake manifolds with 4500 flange pattern
• Designed for large displacement American V8 engines

Note: External fuel pressure regulator and throttle linkage are required but not included. Verify compatibility with your intake manifold and ignition components before ordering. Professional installation and tuning recommended for optimal performance.