This kit includes everything needed to install our external ignition on ALL carbureted H-D V-Twin's from 1970-1999. Great for new bike builds or rebuilds. The 1007-EX Ignition module gives you total control of your timing and rpm limiter. Kit 3021 Includes: 1007-EX Ignition Module 18004 - Rotor “83” Camshaft Position Sensor Complete Ignition Wire Harness 2005 - HO Ignition Coil 3003 - Spark Plug Wires