Now you can have ACCEL late model Supercoils in additional colors Blue and Black! These are the same high quality high output coils ACCEL has been offering in yellow for years. Only now, you have different colors to choose from. In addition to the ever popular ACCEL yellow, Ford 4.6L and 5.4L 4 valve Mod Motor applications are now available in black or blue! ACCEL Supercoils feature optimized windings, resistance and turn ratios that help to unleash your engines maximum horsepower potential.