WARNER ELECTROMAGNETIC CLUTCH for EXMARK R.o: 103-3246 KOHLER engine 27 and 30 HP R.O: 103-6579 R.O: 109-7665 LAZER small tractor Z series INTERNAL BORE: 1-1/8" - 28.6mm EXTERNAL PULLEY: 184mm HEIGHT: 81mm THROAT WIDTH: 5/8" - 15.88mm CODE: 018160 Original part No.: 5218-99 / 5218-202 AT