Breakdown of Included Items

Holley 556-151 HyperSpark CD Ignition Box Features:

• Consistently produces 535 V primary voltage up to 12,000 rpm
• Weatherproof sealed and powder-coated black to be mounted virtually anywhere
• External LED displays 12 V power, crank RPM, and low battery voltage at a glance

Holley 556-151 HyperSpark CD Ignition Box Notes:

• JEGS is here to help you complete your ignition project with these additional products. Click on the links below
  • Ignition Coils
  • Ignition Systems
• For Troubleshooting Tips on setting up your New Holley Sniper EFI System, please see this helpful video from Holley Performance.

Note: For Sniper original systems only - use 556-154 for sniper 2 systems

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.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART