Holley Sniper EFI HyperSpark CD Ignition Boxes 556-151
Holley Sniper EFI HyperSpark CD ignition boxes are the perfect ignition upgrade to complement your Sniper EFI installation. With minimal wiring, these units are ready to plug-and-play with your Sniper system.
- 135mJ of spark energy when used with the HyperSpark ignition coil; ensures complete combustion
- Box is sealed and powdercoated to be installed in the harshest of locations
- External LED helps verify 12 V, cranking rpm, and low battery voltage
- Very low key-off current (<150uA); your battery won't drain during storage periods
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Holley Sniper EFI HyperSpark CD Ignition Boxes 556-151
Holley Sniper EFI HyperSpark CD Ignition Boxes 556-151
Holley Sniper EFI HyperSpark CD ignition boxes are the perfect ignition upgrade to complement your Sniper EFI installation. With minimal wiring, these units are ready to plug-and-play with your Sniper system.
- 135mJ of spark energy when used with the HyperSpark ignition coil; ensures complete combustion
- Box is sealed and powdercoated to be installed in the harshest of locations
- External LED helps verify 12 V, cranking rpm, and low battery voltage
- Very low key-off current (<150uA); your battery won't drain during storage periods
Original: $419.99
-65%$419.99
$147.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Holley Sniper EFI HyperSpark CD ignition boxes are the perfect ignition upgrade to complement your Sniper EFI installation. With minimal wiring, these units are ready to plug-and-play with your Sniper system.
- 135mJ of spark energy when used with the HyperSpark ignition coil; ensures complete combustion
- Box is sealed and powdercoated to be installed in the harshest of locations
- External LED helps verify 12 V, cranking rpm, and low battery voltage
- Very low key-off current (<150uA); your battery won't drain during storage periods




















