Holley EFI Terminator X Stealth GM LS 4150 – Gold

Holley EFI Terminator X Stealth GM LS 4150 – Gold

The Holley EFI Terminator X Stealth GM LS 4150 – Gold is a high-performance EFI system designed for GM LS engines, featuring a 4150 squarebore throttle body with 4 x 100 lb/hr injectors. It supports up to 650 HP naturally aspirated and 600 HP forced induction, offering advanced self-tuning capability and integrated ignition timing control for improved drivability and power.

Key Features

• 4 x 100 lb/hr fuel injectors supporting up to 650 HP naturally aspirated
• Self-learning fuel maps with integrated ignition timing control
• High-resolution full-color touchscreen for setup, tuning, and gauges
• Plug-and-play compatibility with factory LS coil harness and OEM coils
• Supports GM LS 58x crank reluctor and Coil Near Plug ignition
• Includes Bosch LSU 4.9 wideband oxygen sensor for real-time fuel map learning
• Transmission kickdown provisions for GM and Ford automatics (TH350/400, 200R4/700R4, C4/C6)
• Multiple inputs/outputs for accessories including nitrous and boost control
• CAN-BUS support and datalogging capability
• Available in Gold finish with stealth wiring exiting below injector bowls

Fitment

• GM LS engines using 4150 squarebore throttle body flange
• Compatible with GM LS 58x crank reluctor ignition systems

Note: Requires external fuel pressure regulator set to 58.5 PSI (not included). Fuel pump, fuel hose, intake manifold, and mounting hardware are not included. Verify compatibility before ordering and ensure proper tuning for your application.