Holley's Super Sniper Stealth 650 EFI system is the optimal solution for converting your carbureted engine to fuel injection, requiring just 4 simple connections. With the Stealth system, you retain the classic carburetor styling while enjoying the enhanced functionality of a Sniper! This 4-barrel system boasts a single-pattern bolt-on design tailored to fit 4150 flange manifolds. The Super Sniper Stealth ECU offers fuel map self-learning and ignition timing control, enhancing idle stability, drivability, and wide-open throttle horsepower. Transmission kickdown provisions for GM TH350/400, 200R4/700R4, and Ford C4/C6 applications are also included. The Super Sniper can support up to 650HP naturally aspirated or 600HP boosted with 4 100 LB/HR Injectors.
Simplicity is our priority! Sniper kits are crafted for easy installation in your garage or driveway with limited tools, aided by Holley's comprehensive installation manual and videos. After a straightforward installation, let your Sniper commence the self-tuning process. The user-friendly calibration wizard requires you to answer a few questions about your engine, and the system will start self-tuning without needing a laptop. No need to be a computer whiz or tuning expert to use a Sniper EFI system! Employ the high-resolution 3.5" full-color touchscreen for tuning and gauge displays.
Sniper EFI is part of a comprehensive ecosystem! Your new Sniper kit seamlessly pairs with Holley's Sniper Hyperspark Ignition, Fuel Systems, Air Cleaners, Throttle Body & Digital Dash to unlock your build's full potential. Complete your fuel injection journey by exploring our full range of ignition, fueling, and accessories!
Features:
- Bolt-on 4150 Flange Carburetor Replacement
- Self-tuning ECU means you don’t have to be a computer/tuning whiz to have EFI!
- 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!
- Only 4 Wiring Connections Required! (Battery +, Battery -, Switched Ignition & RPM)
- High-Resolution Full-Color Touchscreen for Initial Setup, Tuning, and Gauge Displays
- Throttle body-mounted ECU – no extra boxes to mount
- Supports Up To 650HP Naturally Aspirated & 600HP Boosted!
- All wiring exits below the rear fuel injector cover for a completely stealthy installation.
- Timed spark part for vacuum-advanced distributors located under the front fuel bowl for easy access to the distributor.
- Programmable inputs and outputs
- Three Programmable 0-5V Sensor Inputs for Oil/Fuel/Dome or Nitrous Pressure Sensors
- Six Programmable Ground Outputs
- One +5v Reference Output - +5V Power Supply for 0-5v Sensors
- One Sensor Ground – Ground supply for 0-5v Sensors
- Air entry machined to fit most stock-style air cleaners with air cleaner locator provisions.
- External fuel pressure regulator required, set to a base pressure of 58.5 PSI, such as 12-886.
- Integrated ignition timing control
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides real-time Fuel Map Learn!
- OEM Style TPS/IAC, for years of dependable service.
- Available in 3 finishes: Shiny, Black, and coming soon, Gold
- Included clamp-on oxygen sensor kit for 2.25" exhaust ensures a leak-free oxygen sensor installation, with Stainless Steel T-Bolt clamps and a Stainless Steel (Weldable) oxygen sensor flange
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
