The Sniper 2 EFI Bundle with HyperSpark Ignition pairs Holley's top-selling Sniper 2 EFI conversion with a matched HyperSpark distributor, coil, and ignition box, plus a Power Distribution Module (PDM) for simplified wiring. Designed for at-home installation, the 3.5" handheld runs a self-tuning calibration wizard so no laptop or tuning experience is required.
Key Features:
- Sniper 2 EFI Bundle includes a Power Distribution Module (PDM), HyperSpark 2 ignition box, coil, and a Chevrolet distributor for SBC/BBC applications
- Patented clear installation cap eliminates confusion while installing the distributor
- Integrated transmission kick down provisions for GM TH350/400 and 200R4/700R4 applications (Transmission Control Kit and vehicle harness sold separately)
- Only 4 wiring connections required: Battery+, Battery-, Switched Ignition, and RPM
- Next generation ECU features improved RF noise and interference resistance
- Ignition box provides a clean installation, precise timing control, and consistent spark energy from idle to redline
- Cast-in fuel crossover from the primary to secondary fuel rail
- Geometrically redesigned throttle shaft and plate for a smoother throttle feel
- PDM wiring diagram on the lid keeps installation wiring stress free
- Billet aluminum PDM plugs directly into the main harness with a Hall Effect crank trigger for a noise-free RPM signal
- Integrated ignition coil bracket delivers up to 150 mJ of spark energy per second from idle to redline
- Sniper 2 Bluetooth module turns a smartphone into a tuning and monitoring interface, no laptop required
- Available with or without a fuel system (20 ft. of 3/8 in. Vapor Guard hose, fuel pump, regulator, filters, hardware, and bulkhead fitting)
- Supports up to 650 HP naturally aspirated or 575 HP boosted with (4) 100 lb./hr. injectors
Specifications:
- Flange Style: 4150
- CFM: 800
- Fuel Pressure: 58.5 PSI
- Injector Size: (4) 100 lb/hr @ 58.5 PSI
- Inlet/Outlet Size: 9/16-18 Female O-Ring (AN 6)
- MAP Sensor: 2 Bar
- Max Horsepower Rating: 650 HP naturally aspirated, 575 HP boosted
- User Interface: 3.5 in. Handheld
- Power Distribution Module: Included
- Distributor Included: Chevrolet Big/Small Block
- Finish: Black
- Transmission Compatibility: All (TH350/400, 200R4/700R4 kickdown provisions)
- Part Number: 550-511-3PX-SBC
Fuel system is not included with this bundle; a Sniper 2 in-line fuel system master kit is available separately for a complete fuel delivery setup.
FAQ
What engines does the 550-511-3PX-SBC bundle fit?
This bundle is built for Chevrolet small block and big block V8 engines and includes a matched Chevrolet HyperSpark distributor.
How much horsepower can this Sniper 2 EFI bundle support?
It supports up to 650 HP naturally aspirated or 575 HP boosted, using the included (4) 100 lb/hr injectors.
Does this bundle include a fuel system?
No. This bundle does not include a fuel system; a Sniper 2 in-line fuel system master kit can be added separately.
How many wiring connections does the HyperSpark ignition require?
Just four: Battery+, Battery-, Switched Ignition, and RPM, for a clean, simple installation.
Can I tune this system without a laptop?
Yes. The 3.5" handheld runs a self-tuning calibration wizard, and the Sniper 2 Bluetooth module also allows tuning from a smartphone.
Is a transmission kickdown supported?
Yes, integrated provisions are included for GM TH350/400 and 200R4/700R4 applications (Transmission Control Kit and vehicle harness sold separately).