You'll no longer need to run a ballast resistor in the system as they're upgraded coils
This set of head stock bearings are taper roller style and have been designed to replace the original set of steering bearings on a Kawasaki ZR1100 for the above years
Yamaha RD 125 DX (1975-1981)
Suzuki GSX-R 400 SP (1988)
Suzuki VL1500 intruder (1998-2004)
Headstock Bearings: Kawasaki GPZ900 GPZ 900 (1984-1993) Suzuki GSF600 You'll no longer need toBrand new set of Headstock (Steering Taper Roller) Bearings to fit: Kawasaki GPZ 900 R (ZX 900 A1 A10) (1984 1983). This set of head stock bearings are taper roller style and have been designed to replace the original set of steering bearings on a Kawasaki GPZ900 ZX900 for the above years. The models are A1, A2, A3, A4, A5, A6, A7, A8, A9 & A10. Top bearing sized ID25 x OD47 x WTH15. Bottom bearing sized ID28 x OD52 x WTH16. All sizes shown in mm.