coped steel bungs are 1" diameter and are drilled and tapped all the way through with 5/16"-18 thread

and 1964 - 1974 T100R 500 c

backed by a rock-solid 7½ year warranty

Positive or Negative Ground: Can be wired for either positive or negative ground systems

5-3/4 inch diameter Diamond Black Halogen Headlight - Clear Lens Stators & Covers coped steel bungs are 1"This bottom mount headlight is 5 3 4" diameter and features a swivel mount and a high low beam halogen headlight for 12v systems. Clear lens with H4 halogen bulb, DOT approved. Best be sure your charging system is up to snuff on a vintage motorcycle to power the halogen bulb without an issue. Gloss Black.