1982 GPZ 750 motor head is ported, HD valve springs, 83 GPZ 750 cams(degreed) 1984 18" gpz 550 wheels 83 KZ 750 forks with stiffer springs Steel braided brake lines GPZ oil cooler and carbs 83 gpz front calipers Choice of original blue colour or kawasaki green Bike looks like new and runs great...