This kit contains plug-and-play harnesses to connect Holley 24x or 58x main harness to Holley waste-fire DIS coils. Not compatible with 556-112 coil near plug smart coils (see 558-312 for 556-112 smart coil applications )

Features

• Bolt on 2x4 4150 Flange Carburetor Replacement
• Supports up to 1500 HP Naturally Aspirated or 1250 HP Forced Induction with Eight 100 Lb/Hr Injectors
• Internal 1bar MAP sensor, built into the Terminator X ECU
• External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as Holley part # 12-886
• 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‚Äôt have to be a computer/tuning wiz to have EFI!
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
• OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
• Included weld-in O2 sensor bung for the exhaust ensures a leak free oxygen sensor installation
• Plug and play with Holley EFI Accessories, such as the 12.3‚Äù and 6.86‚Äù Pro Dash; CAN EGT; and Digital Analog style EFI gauges
• Available in 3 finishes: Shiny, Black, and Gold