Holley 556-154 HyperSpark 2 CD Ignition Box Features:

Breakdown of Included Items

Dimensions

• Has all of the great features as the first HyperSpark just in a smaller form factor package
• Plug and play with existing HyperSpark installations or Sniper EFI HyperSpark Main Harnesses (558-328)
• The new processor and board design bring an efficient ignition with minimal heat and maximum spark energy while drawing less current 
• High energy capacitive discharge of multiple sparks increases performance and ensures complete combustion
• Full protection from an open coil, shorted coil, and open load
• 1.47 lbs Lighter than the first HyperSpark ignition box 
• 50% Smaller & 70% lighter than HyperSpark 1
• Quicker throttle response and better starting
• Has a tach output to drive an external tachometer 

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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