Distributor Kit, EST DELCO 3.0L 3.0L & 2.5L Delco EST marine electronic Distributor kit. For 1967-2011 3.0L & 2.5L Engines. Includes: 3.0L Electronic Distributor, Coil, Spark Plug Wires (color may vary black/blue), Timing shunt, Pig-tail plug, and Coil-to-Distributor wire.