WARNER ELECTROMAGNETIC CLUTCH for AYP ROPER 108218 137140 142600 MTD - CUB CADET 717-0949 717-1434 917-0949 917-1434 FLYMO 532142600 INNER BORE : 1" - 25.4MM EXTERNAL PULLEY : 135MM HEIGHT : 108MM THROAT WIDTH : 1/2" - 12.70 MM Original part No.