Holley's Sniper EFI HyperSpark distributor adds plug-and-play ignition timing control to any Sniper EFI installation, with a built-in ignition coil driver that eliminates the need for a separate ignition box or external coil driver. A single Hall Effect sensor and precision shutter wheel deliver a clean, accurate RPM signal even at high engine speeds.
Specifications:
- Application: Chrysler 426/440
- Cap size: Small cap
- Sensor type: Hall Effect, single sensor
- Coil compatibility: Use with ignition coil PN 556-152
- Spark energy: Safely supports applications up to 450 HP
- Housing: Cast aluminum distributor housing with cast gear installed
- Installation aid: Patented clear installation cap for accurate alignment
- Part Number: 565-346
FAQ
Do I need a separate ignition box with this distributor?
No — it has a built-in ignition coil driver, so no external ignition box or coil driver is needed.
What ignition coil does this distributor pair with?
Holley ignition coil PN 556-152.
Can this distributor be used with other EFI systems?
Yes — it works with any EFI system that supports a Hall Effect crank signal input, not just Sniper EFI.

