This MSD Ford 4-Tower Coil is designed as a replacement coil that produces a high-voltage spark for late-model Ford waste-spark ignition systems. For even more ignition performance, install an MSD DIS Series Ignition Control.
Specifications:
- Fitment: 1991-2001 Ford 4.6L/5.0L/5.4L engines
- Inductance: 3.9 mH
- Maximum Voltage: 40,000V
- Secondary Resistance: 13.7K ohms
- Turns Ratio: 3.46:1
- Secondary towers designed for snap-on spark plug terminals
- Primary terminals require Ford-style connector
- Part Number: 8241
Note: if installing on a '99-'04 Ford Focus Zetec, the spark plug wires will need to be replaced; MSD offers a set under PN 32939.
FAQ
What vehicles use the MSD 8241?
It fits 1991-2001 Ford 4.6L/5.0L/5.4L waste-spark ignition applications.
Do I need special spark plug wires with this coil pack?
Only if installing on a '99-'04 Ford Focus Zetec — MSD offers a compatible wire set under PN 32939.
How can I get more performance from this coil pack?
Install an MSD DIS Series Ignition Control.
Is the MSD 8241 CARB certified?
No CARB Executive Order number is listed for this part in MSD's current documentation; check with MSD directly if you need emissions certification for a specific state.

