Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early

Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early

The Holley EFI Terminator X Max GM Gen V LT Direct Injection Kit – Early delivers complete engine control for early GM Gen V LT1, L83, and L86 engines with direct injection and variable valve timing support. Designed for domestic V8 enthusiasts seeking a plug-and-play EFI solution, this kit replaces the factory ECU with a user-tuneable, self-learning system that simplifies tuning and maximizes performance for street and race applications.

Key Features

• Plug-and-play control for GM Gen V LT engines with direct injection and VVT
• 3.5” handheld touchscreen with step-by-step calibration wizard
• Supports GM LS/LT drive-by-wire throttle body and 4L60/4L80 transmission control
• Integrated 1bar MAP sensor with external boost sensor support for forced induction
• Four programmable inputs and outputs for fans, nitrous, boost control, and more
• Supports wet/dry nitrous with progressive and multi-stage control
• Genuine Bosch LSU 4.9 wideband oxygen sensor control and advanced data logging
• Self-tuning and fully user-tuneable with free Holley EFI software for laptop tuning
• OEM injector support with included engine harness and direct injection injector connectors

Fitment

• Early GM Gen V LT1, L83, and L86 engines with 4-pin early DI fuel rail pressure sensor
• Ideal for LT engine swaps into vintage vehicles or performance upgrades

Note: Verify your engine’s fuel pressure sensor connector to confirm early application fitment. This kit does not include fuel injectors, fuel pump, or fuel hose. Advanced tuning and installation knowledge recommended for optimal results.