If you want to keep your race car streetable and want to use all of your factory switches instead of a switch panel, these Painless Performance 21-circuit pro street chassis harnesses are for you. As with all Painless Performance harnesses each wire is labeled and are pre-terminated at the fuse block for easy installation. These harnesses also include an optional connector if you want to use a GM column mounted ignition switch. Also included with each harness is a terminal assortment kit, with the necessary connectors for your turn signal switch, headlights, and alternator. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.