Ignitions and Electrical› Ignition Components
Holley
KIT, 8 CYLINDER SMART COIL KIT
SKU: H00E 556-127
Moderate — 2–4 hours
Description
Part #: 556-127
Do you need precision control over your ignition system? Would your combination benefit from Individual Cylinder Timing Control? Are you experiencing spark issues with your Stock Coils? Are you wanting to convert your Turbocharged Big Block Monstrosity to Coil-Near-Plug?! Problem solved, introducing the Holley EFI C-N-P Kit containing everything to convert your ignition system to Coil-Near-Plug!
Features:
- Peak Voltage - 44,000 Volts
- Peak Output - 102 Mj
- Maximum Battery Voltage 17.0 Volts
- Upgrading a Non C-N-P Main Harness requires the Holley Universal Coil-On-Plug Harness, P/N 558-307 to complete the installation!
- Contains two Terminated Sub-Harnesses, and Eight Holley Smart Coils, 3 ft. of wiring loom for a professional appearing installation!
- Sub Harness features Fully Terminated Coil Connectors, a 7 Pin Metripak Connector used on several Holley EFI C-N-P Main Harnesses, and 3 loose wires for a quick installation!
HOLLEY SMART COIL - C-N-P V8 KIT
Fitment
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Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 556-127 |
| Weight | 8.35 lb |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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