Availability
Holley Coil-Near-Plug Smart Ignition Coils
10 Customer Reviews
Additional tech specs:
* Peak voltage: 44,000 V
* Peak output: 102 Mj
* Maximum battery voltage: 17.0 V
* Kits include coils, sub-harnesses, connectors, wires, and a wiring loom
Note: Upgr
Additional tech specs:
* Peak voltage: 44,000 V
* Peak output: 102 Mj
* Maximum battery voltage: 17.0 V
* Kits include coils, sub-harnesses, connectors, wires, and a wiring loom
Note: Upgrading a non-coil-near-plug main harness requires HLY-558-307 Holley universal coil-on-plug harness, sold separately, to complete the installation.
Showing In Stock Items. Show All 1 Items.
Ignition Coil, Big Wire Coil-Near-Plug Smart Coil Kit, Black, 44,000V, 8 Coils, Harness, Kit
Part Number: HLY-556-128
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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