Phenolic Brake Caliper Piston made light weight high density Phenolic metal.
Kawasaki KZ 650 – 900 used for front and rear brakes
Please check the image that they match with your bike and specify piston OD (some years and models vary).
These are Modern Replacement Pistons, Made specifically for a verity of Vintage metric motorcycles from the 70’s to early 80’s. Honda – Kawasaki – Yamaha – Suzuki… guaranteed to Never rust or Pit, which will greatly reduce the chances of sticking or leaking. These Pistons are not only super light, they will not transfer heat from the brake pad to the fluid.