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Holley | Terminator X Max MPFI System
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Holley – Terminator X Max MPFI System
Description
The Holley Terminator X Max MPFI (550-1621) is designed for GM Gen V LT direct injection engines with a Drive-By-Wire throttle body, late version (3-pin fuel pressure sensor). Compatible with LT1, L83, and L86 engines, this system includes an external Gasoline Direct Injection (GDI) controller, real-time fuel learn, an integrated 1 bar MAP sensor, and 4 programmable inputs and outputs. It supports factory injectors, Variable Valve Timing (VVT), and factory fuel pumps. Ideal for LT engine swaps into vintage vehicles. The 3.5 in. LCD touchscreen includes a calibration wizard and tuning functions. Bosch LSU 4.9 wideband O2 sensors are included. To identify your version: 3-pin fuel pressure sensor = late version (550-1621); 4-pin = early version.
Specifications
- Brand: Holley
- Part Number: 550-1621
- Compatibility: GM Gen V LT direct injection, DBW throttle body, late version (See Application Section)
- Compatible Engines: LT1 / L83 / L86
- Version: Late – 3-pin fuel pressure sensor
- VVT Control: GM Gen V LT variable valve timing included
- External GDI Controller: Included
- Fuel Learn: Real-time
- Integrated MAP Sensor: 1 bar
- Programmable I/O: 4
- O2 Sensors: Bosch LSU 4.9 wideband included
- Display: 3.5 in. LCD touchscreen
- Condition: New
- Sold and shipped by Truck Expert
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