Overview The Terminator X Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and ignition timing control, improving idle stability, drivability, and wide-open throttle horsepower! Designed to fit with Gen 3 Ultra Dominator air cleaners and fuel crossovers, allowing you to easily convert your 4500 equipped 800+ horsepower dragster or door car! 8 Injectors - 800-1500 HP Features Bolt on 4500 Flange Carburetor Replacement Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors 2.125” Throttle Plates, Flow 1440 CFM for large cubic inch engines Gen 3 Ultra Dominator Style 4 Bolt Air Cleaner Flange offering a variety of air cleaner options External fuel pressure regulator required, such as 12-848 Integrated ignition timing control High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required! Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI! OEM Style TPS/IAC, for years of dependable service. Built in 1bar MAP Sensor, vacuum hose adapters included (1/8th – ¼ and 3/16ths) Boosted applications, you can disable the internal MAP sensor, and utilize an external MAP Sensor, the harness comes with the connector terminated, making the install Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation Plug and play compatible with multiple Holley EFI accessories including our gauges, shift lights, various modules, and digital and pro dashes (Holley P/N's 553-106, 553-111, and 553-112)