’E1’ Marked These awesome lights have an overall diameter of 122mm (4¾")and mount through a 110mm hole.
30mm depth behind lens. Either bond them in or make a simple U bracket to hold them in place.
You can even surface mount them with the two M6 integral studs.
Super bright LED's give the red stop/tail outer and amber indicator centre.
122mm LED STOP TAIL AND INDICATOR #RL35