Turn Signal Switch: 57-58 Chev /Full Size LHD - 6 wires 7 inch These simply plug into the

These simply plug into the orignal  bulb bayonet fitting

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Each emblem comes with the speed nuts too

Choose from CLEAR or AMBER

In the door glass window regular assembly structure is one of these in both doors

Turn Signal Switch: 57-58 Chev /Full Size LHD - 6 wires 7 inch These simply plug into theThis is the 6 wire electrical side of the early turn signal switches for the passenger car and light truck use on US make or parts sourced.. 1957 1968 era as shown .. for various GM original applications its before GM went over to the full circle plastic turn signal switch. ALSO BE ALERT. not everybody with a 57 or 58. may still have an original steering column.. happens.. worth checking before ordering .. Image IS CORRECT.