For those of you looking for a magnetic breakerless racing distributor or high-performance street distributor, these from Mallory are a fine choice. Ideal for use with the HyFire series electronic ignitions, they use Mallory's proven magnetic pickup system for accurate spark delivery. Their compact design and simple 3-wire hookup allow you to install them on most any engine configuration. They come with self-lubricating bushings, a Super-Duty cap and rotor. The distributors also come with a preset mechanical advance that can be adjusted for your specific application.