These MSD two valve Blaster Coil On Plugs are designed as a direct performance replacement for the 1999 to 2004 SOHC GT Mustangs.
The MSD Blaster Coil On Plugs make more power then the wimpy stock oem factory coils to help produce more horsepower from your modern SOHC modular motor and are a perfect match for stock engines and engines with minor performance upgrades.
The MSD Blaster Coil On Plugs produce a hotter spark that burns fuel more completely releasing all it's potential energy translating into better fuel economy and more power.