Spectra Premium Distributors Spectra Premium distributors are all new and deliver powerful consistent spark for maximum combustion efficiency, accurate timing, and rock solid high-rpm performance. Innovative engineering, manufacturing technology, and quality control ensure that these premium distributors meet or exceed the specifications of the original equipment assemblies they replace. Want to get the most out of ignition performance? Then use Spectra Premium distributors! Features include: * OE-design cap and replacement rotor included for fast installation * All units are new, no rebuilds or core charges * 100 percent endurance and life cycle tested to ensure they meet OEM specifications for fit, form, and performance. Ensure this is the piece you need before purchasing as I can't accept return if it's the wrong part.