Holley Sniper 2 EFI - Self-Tuning Kit - Black 550-511-3XX

Holley Sniper 2 EFI - Self-Tuning Kit - Black 550-511-3XX

SKU: BPP550-511-3XX

Holley Sniper 2 EFI - Self-Tuning Kit - Black 550-511-3XX

SKU: BPP550-511-3XX
Regular price $1,299.95
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  • The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that we learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion more simple, reliable, and modern.  Battery and a switched 12-volt source is all that's required from your vehicle to power the Sniper EFI. Make your classic drive like a modern fuel-injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley's comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will begin self-tuning with no laptop or tuning experience required. 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.

    Features and Benefits:

    • All new design – the #1 EFI Conversion just got better!
    • Only four wiring connections required: Battery+, Battery-, Switched Ignition, and RPM
    • 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
    • Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
    • (NEW) Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)
    • (NEW) Redesigned throttle shaft and plate geometry for a smoother throttle feel
    • (NEW) Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications
    • (NEW) “Hidden Harness” wiring harnesses exits from the rear of throttle body for a clean appearance
    • (NEW) Inputs and outputs consist of: 2x Ground Inputs, 2x Ground Outputs, 1x TPS output (0-5v), and 1x Tach Output
    • (NEW) Redesigned injector connector for improved reliability
    • (NEW) Onboard contactless magnetic TPS sensor ensures an accurate TPS reading
    • (NEW) Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection
    • (NEW) Cast-in fuel crossover from the primary to secondary fuel rail
    • (NEW) Sniper 2 throttle bodies are serialized in house, which provides each unit a birth certificate for an improved customer service and warranty experience in the event of any unit needing to be inspected
    • The included genuine Bosch LSU 4.9 wideband oxygen Sensor provides real-time fuel map learning
    • 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
    • Previous Manufacturer Part #: 550-511
    • New Manufacturer Part #: 550-511-3XX
    • Flange: Square Bore
    • Finish: Black

    NOTE: Must run 58-60 PSI EFI Return style regulator and EFI pressure gauge for best results. CLICK HERE for recommended products. 

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