Perfect replacement for original columns. Self-cancelling turn signals, 4-way flashers, horn wiring, 5-way tilt adjustment, and matching lever & knob dress-up kit. Unit uses a 1'' DD shaft and standard 3 7/8'' GM wiring harness connector. Designed to use with stock steering wheel and 69 or newer GM steering wheels. NOTE:'' 605'' Conversions Require a ''rag-joint''