Stator / Magneto Coil - GS18G. This coil works on (but not limited to) the 300cc ATV's. Approximate dimensions:     Outside Diameter: 93mm    Centre Hole Diameter: 38.1mm    Mounting Hole (centre-centre): 41.5mm    Bolt Hole: 5.6mm    Harness Length: 66cm    Pickup Wire Length: 10cm    Pickup Hole (centre-centre): 30mm