2004-2008 Ford 4.6L/5.4L/6.8L - 3-Valve. Look no further when it's time to tune up your Ford Mod Motor. Bolt on legendary ignition performance with MSD's direct replacement coils. Reliable parts from the ignition leader at a price that won't break the bank.. This coil replaces the shorter, black boot coil. It is not a replacement for factory coils with the longer brown boot.