high performance ignition coil x2 kawasaki gpz1000 gpz 1000 1986 1988 2 ohms Honda XR400 This set of headstock bearings This set of headstock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on the years and models shown above This set of head stock bearings are taper roller style bearings and have been manufactured to replace the original set of steering bearings on a Suzuki RG500 for the years and models shown above To upgrade OEM: 21121 1137 21121 1138 If you have a weak spark on your Kawasaki GPZ1000 then the coils could be the culprit and it's a good idea to get some new coils on the bike