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HOLLEY EFI GENIII HEMI SMART COILS

For Hemi combinations currently using Holley EFI or Terminator X, use Smart Coil Ignition Harnesses 558-312 & Coil Extension Harnesses...
Holley EFI Part #: GVMR_556-162
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HOLLEY EFI GENIII HEMI SMART COILS

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For Hemi combinations currently using Holley EFI or Terminator X, use Smart Coil Ignition Harnesses 558-312 & Coil Extension Harnesses 558-326 for a plug and play solution.

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