The HyperSpark 2 ignition box packs all the proven features of its predecessor into a smaller form factor, making it easier to mount for the cleanest installation possible. Paired with matching ignition coil PN 556-152, it delivers up to 150mj of spark energy, plenty to safely fire a Sniper EFI engine combination.
Specifications:
- Spark energy: 135mj to 150mj consistently, idle to redline RPM
- Voltage range: Operates on most 7 to 28-volt electrical systems
- Protection: Fully protected against open coil, shorted coil, and open load
- Output: Tach output to drive an external tachometer
- Includes: Ignition harness for fresh Sniper EFI installs adding timing control
- Compatibility: Plug-and-play with existing HyperSpark installations or Sniper EFI HyperSpark main harnesses
- Part Number: 556-154
FAQ
What ignition coil does this box pair with?
Holley ignition coil PN 556-152, for up to 150mj of spark energy.
Does this box include a wiring harness?
Yes — it includes an ignition harness for fresh Sniper EFI installs that are simply adding timing control.
What voltage range does it support?
Most 7 to 28-volt electrical systems.

