Each high performance blueprinted distributor is factory set with a high-performance advance curve. Includes an adjustable vacuum advance unit a built-in module with magnetic trigger a premium cap with brass inserts for maximum conductivity rotor and retro-style Mopar Emblem is prominently displayed on beneath the cap. Fits 273-318-340-360 Small Block Chrysler Engines and features a tan female socket type cap and rotor. An electronic control box is required and NOT included. Sold Individually.