MSD's Smart Coil Big Wire Kit lets a Smart Coil run dwell times over 5 milliseconds, producing 50,000 volts peak and 190 millijoules of peak energy for a hotter spark that burns more fuel per cylinder.
Specifications:
- Brand: MSD
- Category: Ignition
- Coil Type: Smart Coil
- Color: Red
- Maximum Voltage: 50,000
- Primary Resistance: 0.55
- Product Type: Ignition Coil
- Quantity: 8-pack
- Turns Ratio: 2.88
- Inductance: 5.2 mH
- Peak Current: 201 mJ
- Sub Category: Ignition Wire and Related Components
- Part Number: 8289-KIT
Compatible with Holley EFI and many other aftermarket EFI systems, running on 12V or 16V race electrical systems (17V max). Bolts directly onto Holley LS cast-aluminum valve covers or in place of factory LS1/2/3/6/7 coils with 72mm bolt spacing, and includes two terminated harnesses with 7-pin connectors for the Holley LSx or factory GM LSx main harness. Connectors are "pull to seat" — insert the wire from the back, crimp the pin, then pull it back into the connector.
FAQ
What EFI systems is this kit compatible with?
It's compatible with Holley EFI and many other aftermarket EFI systems, running on 12-volt or 16-volt race electrical systems.
Will this bolt onto factory LS coil locations?
Yes, its elongated mounting holes allow it to bolt in place of factory LS1/2/3/6/7 coils or Holley LS cast-aluminum valve covers with 72mm bolt spacing.
How do I terminate the connectors in this harness kit?
The connectors are "pull to seat" — insert the wire through the connector from the back, crimp the pin with a proper crimping tool, then pull it back into the connector.
What color options are available?
This kit is available in Red; a Black version is also offered.

