Holley 550-527 Sniper EFI 2 x 4 Self-Tuning Kit Features:

• Supports up to 1250 HP with Eight 100 Lb/Hr Injectors
• 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
• Fits on intake manifolds with flange spacing between 6.43"-13.5" (Includes most Edelbrock Manifolds)
• Internal MAP Sensor
• Integrated ignition timing control
• Built-in Single-stage progressive nitrous control
• Programmable Target Air Fuel Ratios & Ignition Timing per Boost level
• 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

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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