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Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Features:
- Direct replacement from previous model, can use the same harness and connector with new or existing HyperSpark installs
- Greater spark energy of 135mJ to 150mJ from idle to redline RPM (Based on components used)
- Powerful capacitive discharge of multiple sparks improves throttle response and engine combustion
- Updated processor and board for improved efficiency reducing heat and current draw
- Filtered circuits preventing magnetic interference
- Built in protection against open coil, shorted coil, and open load scenarios
- Smaller size and weight for more mounting options
- Operates on many 7V-28V electrical systems
- 12 pin connector
Product Information
Product Information
Shipping & Returns
Shipping & Returns

Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Features:
- Direct replacement from previous model, can use the same harness and connector with new or existing HyperSpark installs
- Greater spark energy of 135mJ to 150mJ from idle to redline RPM (Based on components used)
- Powerful capacitive discharge of multiple sparks improves throttle response and engine combustion
- Updated processor and board for improved efficiency reducing heat and current draw
- Filtered circuits preventing magnetic interference
- Built in protection against open coil, shorted coil, and open load scenarios
- Smaller size and weight for more mounting options
- Operates on many 7V-28V electrical systems
- 12 pin connector
$193.40
Original: $552.57
-65%Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154—
$552.57
$193.40Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Holley Sniper EFI Hyperspark 2 Ignition Box # HO556-154
Features:
- Direct replacement from previous model, can use the same harness and connector with new or existing HyperSpark installs
- Greater spark energy of 135mJ to 150mJ from idle to redline RPM (Based on components used)
- Powerful capacitive discharge of multiple sparks improves throttle response and engine combustion
- Updated processor and board for improved efficiency reducing heat and current draw
- Filtered circuits preventing magnetic interference
- Built in protection against open coil, shorted coil, and open load scenarios
- Smaller size and weight for more mounting options
- Operates on many 7V-28V electrical systems
- 12 pin connector












