Our distributor caps are made of high dielectric strength, glass/mineral reinforced polyester resin for less carbon tracking, greater resistance to electrical breakdown, and superior performance Solid brass terminals (where available) make better connections and greater resistance to electrical pitting and corrosion Capitalizing on decades of research and development, our distributor caps and rotors contain unmatched quality yielding superior performance As a global manufacturer of original equipment ignition products, we maintain complete quality control throughout the manufacturing process from componentry to finished product RFI resistors where specified to eliminate radio static and potential ECU-damaging spikesPackage Dimensions: 3.031 x 3.031 x 3.625 inches Package Weight: 0.2 lb Package Quantity: 1 UPC: 091769001766 Contact Terminal Material: Brass Contents: Distributer Cap Distributor Cap Color: Black Distributor Cap Contacts Material: Polypropylene Distributor Vent: No Gaskets Included: No Ignition Rotor Included: No Instructions Included: No Mount Type: Clip Screws included: No Spark Plug Wires Included: No Terminal Quantity: 3 Tower Position: Vertical Country of Origin: US