03/09/2026
Just 21 days left on sale for all our B2B dealers and Performance Shops. Get them now. We have 88 still in stock and going. Part # 550-511-3PK-SBC.. The #1 selling EFI conversion just got better…again! We’re bundling our top selling Sniper 2 packages and passing along maximum savings! 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, HyperSpark coil, and a HyperSpark 2 ignition box. Coupled with a 3.5” or 5" color LCD touchscreen handheld, 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 screws. Battery power, ground, and a switched 12V source are all that's required from your vehicle to power the PDM and your Sniper 2 system. Make your classic drive like a modern fuel injected vehicle, including better cold starts, smooth drivability, and improved fuel economy. Sniper 2 was designed to be installed at home in your garage with limited tools and the support of Holley's comprehensive installation manuals and online videos. The handheld user-friendly setup wizard has you 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 system. Take complete control and make the conversion to EFI with a Sniper 2 EFI HyperSpark Ignition bundle.
Geometrically redesigned throttle shaft and plate for a smoother throttle feel
Integrated transmission kick down provisions for GM TH350/400, 200R4/700R4 and Ford C4/C6 applications (Sniper 2 Transmission Control Kit and vehicle specific harnesses not included, both available separately)
Billet aluminum construction unit plugs directly into the main harness and features a Hall Effect crank trigger for a noise free RPM signal to the ECU
Integrated ignition coil bracket simplifies mounting the ignition coil while delivering up to 150 mJ of spark energy per second from idle to redline
Ignition box keeps all the features of its predecessor in a smaller and lighter design, providing a clean installation, precise timing control, and consistent spark energy from idle to redline for optimal performance
Patented clear installation cap eliminates confusion while installing the distributor with a marking indicator
Next generation ECU features improved RF noise and interference resistance (protects against outdated car wiring, noisy alternators, faulty plug wires, etc.)
Cast-in fuel crossover from the primary to secondary fuel rail
Available with or without fuel system, the complete fuel system consists of 20 ft. of 3/8 in. V***r Guard fuel hose, fuel pump, fuel pressure regulator, filters, necessary hardware, and bulkhead fitting to return fuel into the tank
Sniper 2 Kit:
Supports up to 650 hp naturally aspirated or 575 hp boosted with (4) 100 lb./hr. injectors
Only (4) wiring connections required; the Battery+, Battery-, Switched Ignition, and RPM
Sniper 2 Bluetooth module turns your iOS or Android smartphone into a tuning and monitoring interface with a base map to get started and no laptop required
Hyperspark Ignition:
Sniper 2 EFI Bundle includes a Power Distribution Module (PDM), HyperSpark 2 ignition box, coil, and a Chevrolet or Ford distributor (depending on your application)
Power Distribution Module (PDM) was designed to keep your installation stress free by listing a wiring diagram to connect your system to the dedicated circuits