New KAWASAKI H1/H2/S3/KH400 front disc brake caliper piston from K&L Supply of Japan. This is a beautiful FRONT BRAKE CALIPER PISTON for all H1/H2/S3 bikes running the single or optional dual front factory disc brake setup. Replace your 30-something year old corroded/pitted original piston with this new piece at a great price. Component has high nickel-content in material to resist scoring and pitting, comes with lifetime limited warranty from manufacturer. a beautiful piece at a beautiful price.