Holley 550-533 Sniper EFI 2 x 4 Self-Tuning Kit Features:

• Supports up to 1250 HP with Eight 100 Lb/Hr Injectors
• Fits on intake manifolds with flange spacing between 6.43"-13.5" (Includes most Edelbrock Manifolds)
• 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 for easy EFI without requiring advanced computer/tuning skills
• Only 4 Wiring Connections Required - Battery +, Battery -, Switched Ignition & RPM
• High Resolution Full Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
• Compatible with draw through supercharged applications
• 2.5Bar MAP Sensor
• Integrated ignition timing control
• Built-in Single-stage progressive nitrous control
• Programmable Target Air Fuel Ratios & Ignition Timing per Boost level
• USB to CAN Communication cable included for easy laptop tuning
• Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
• One Sensor Ground – Ground supply for 0-5v Sensors
• Single Throttle body-mounted ECU, with easy connections between the two throttle bodies – no extra boxes to mount
• Requires an external fuel pressure regulator: P/N 12-848 up to 800 HP, 12-851 for 1000+ HP
• The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!
• OEM Style TPS/IAC and Fuel Pressure regulator, for years of dependable service
• Included clamp-on oxygen sensor kit ensures a leak-free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange

Installation Notes:

• This EFI system will require an external fuel pressure regulator. Use p/n: 510-12-848 for up to 800 hp and p/n 510-12-851 for 1000+ hp.
• Sniper EFI units displayed on intake manifolds and/or superchargers are for visual reference only and are not included with purchase.