Holley 550-531 Super Sniper EFI 2 x 4 Self-Tuning Kit
510-550-531
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EFI Self-Tuning Kits
Holley 550-531 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.
Specifications:
Motor Vehicles
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Tools:
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Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.