Distributor caps made from high dielectric-strength, glass/mineral-reinforced polyester resin provides less carbon tracking, greater resistance to electrical breakdown, and superior performance. Solid brass terminals make better connections and greater resistance to electrical pitting and corrosion. As a global manufacturer, we have complete control of the manufacturing process, from components to finished product?. As a premier manufacturer serving the automotive aftermarket since 1919, we deliver the highest quality and best coverage to meet your repair needs.