Holley Sniper 2 EFI is a self-tuning, easy-to-install Electronic Fuel Injection conversion for common 4-barrel (4150 flange) style carburetors. Make your classic truck drive like a modern fuel-injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy!
If you’re looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI.
- Replaces 4-barrel (4150 flange) carburetors.
- Available in black or polished finishes.
- 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM.
- Variety of tuning and gauge display interfaces: from a 3.5-inch full color LCD Handheld, 5-inch Digital Dash, or the Bluetooth dongle, which allows you to connect either an iOS or Android based cell phone to the Sniper 2.
- Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS Output (0-5v), and 1x Tach Output.
- Onboard contactless magnetic TPS sensor ensures an accurate TPS reading.
- The included genuine Bosch LSU 4.9 wideband oxygen sensor provides real-time fuel map learning.
- Redesigned throttle shaft and plate geometry for a smoother throttle feel.
- Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors.
- Next generation ECU features improved RF noise and interference resistance.
- “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance.
- Redesigned injector connector for improved reliability.
- Main harness includes plug-and-play HyperSpark distributor support, for integrated timing control, making your ignition setup hassle free.
- Included clamp-on oxygen sensor kit ensures a leak free oxygen sensor installation.
- Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications.
- Calibration wizard only requires that you answer a few simple questions about your engine to create a base map and begin self-tuning – No laptop required.
