Horn Cap Compatibility:
-Mods needed with OEM Column Adapters: OEM# 3930062 (GM 67-68) & OEM# 3937896 (GM 69-89)-GM Style Horn Contact & Mounting Kit Needed:-Compatible with OEM GM 6-Bolt Style 70mm mounting diameter 6-Bolt Pattern Steering Wheel (example: GM Comfort Grip & all VSW S6 Series)