Speedmaster 8000 Series billet distributors are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed. They are precision CNC machined from billet 6061-T6 aluminum to exacting tolerances. The "spark plug" type terminals offer secure wire attachment. Under the brass terminals of the cap and rotor is an extremely accurate magnetic pickup that never requires adjustment along with an easy to adjust mechanical advance mechanism. The heavy duty 1/2" steel shaft is guided in a long sintered bushing as well as a sealed ball bearing at the top to precisely locate the reluctor. This combination yields stable timing and spark delivery at any RPM.