Product Summary

800 CFM CFM, 100 lb/hr @ 58.5 PSI Injector Size

  • The billet aluminum Hall Effect crank trigger sensor housing distributor plugs directly into the Sniper 2 main harness and provides a noise-free RPM signal to the Sniper 2 ECU
  • The HyperSpark 2 ignition box keeps all the features of its predecessor in a more compact design. It offers a clean installation, precise timing control, and consistent spark energy from idle to redline for optimal performance.
  • The included HyperSpark ignition coil features an integrated coil mounting bracket and connects directly to your Sniper 2 EFI Main Harness, removing any potential wiring confusion.
  • Sniper 2 EFI Bundles include: Power Distribution Module (PDM), HyperSpark 2 ignition Box, coil, and a Chevrolet or Ford distributor depending on your application
  • Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors
See more details

Key Specs

MFG. Part #550-510-BPK-SBC
BrandHolley Sniper
Injector Size100 lb/hr @ 58.5 PSI
Max Horsepower Rating650
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Holley Sniper 550-510-BPK-SBC Details


The #1 Selling EFI conversion just got better…again! We are bundling some of our top-selling Sniper 2 packages and passing along a savings of up to $180! Available for small-block Chevrolet, Big-Block Chevrolet, and 8.2-inch deck small-block Ford (5.0 base), these kits include a Hyperspark distributor, coil, and Hyperspark 2 ignition box. Coupled with a Bluetooth module, Power Distribution Module (PDM), and either a base or Master (in-line fuel system) Sniper 2 kit, these are the most complete Sniper EFI conversion kits ever offered by Holley. The PDM module was specifically designed to provide the easiest wiring experience for Sniper 2 kits that are paired with a Hyperspark ignition. Simply slide the stripped wire ends under the positive lock connector and tighten down the set screw. Battery and a switched 12-volt source are all that's required from your vehicle to power the PDM and your Sniper 2 Hyperspark Bundle.
  • 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. It’s a single click away! Take full control and make the conversion to EFI with a Sniper 2 EFI Hyperspark Ignition Bundle!
  • Hyperspark Ignition:
  • The billet aluminum Hall Effect crank trigger sensor housing distributor plugs directly into the Sniper 2 main harness and provides a noise-free RPM signal to the Sniper 2 ECU
  • The HyperSpark 2 ignition box keeps all the features of its predecessor in a more compact design. It offers a clean installation, precise timing control, and consistent spark energy from idle to redline for optimal performance.
  • The included HyperSpark ignition coil features an integrated coil mounting bracket and connects directly to your Sniper 2 EFI Main Harness, removing any potential wiring confusion.
  • Sniper 2 Kits:
  • Sniper 2 EFI Bundles include: Power Distribution Module (PDM), HyperSpark 2 ignition Box, coil, and a Chevrolet or Ford distributor depending on your application
  • Available with or without fuel system: The complete fuel system consists of: 20 ft. of 3/8 in. Vapor Guard fuel hose, fuel pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
  • The Sniper 2 Bluetooth module turns your iOS or Android phone into a tuning and monitoring interface. Just answer a few questions about your engine in the calibration wizard, and you'll get a base map to start self-tuning—no laptop needed.
  • The Sniper Power Distribution Module (PDM) simplifies powering your system with its compact, rugged, and reliable design. With easy connections and no need for configuration, installation is quick and straightforward.
  • 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 (stands up to old car wiring, noisy alternators, faulty plug wires)
  • Redesigned throttle shaft and plate geometry for a smoother throttle feel
  • Integrated transmission kick down provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications (Sniper 2 Electronic Transmission Control Module available separately)
  • For a full list of features, visit our website.

    Nitrous Control Not Supported In Sniper 2 EFI Software

  • CARB Warning

    For use on pre-1966 vehicles only

    Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

    Holley Sniper 550-510-BPK-SBC Specifications

    KEY SPECS
    MFG. Part #550-510-BPK-SBC
    BrandHolley Sniper
    Injector Size100 lb/hr @ 58.5 PSI
    Max Horsepower Rating650
    GENERAL
    CFM800 CFM
    User TunableYes
    Self TuningYes
    Injectors IncludedYes
    Intake Manifold IncludedNo
    Fuel Pump IncludedYes
    Fuel Pressure Regulator IncludedYes
    FinishShiny
    Overall Height3.28"
    GTIN Code00090127866320
    Sold in QuantityEach

    Questions & Answers

    Customer Impersonation Script