New 15.8mm 5/8" Pistons Dual Disc Front Brake Master Cylinder for Kawasaki Kz900 Kz1300 15.8mm 5/8" piston size for twin front brake rotor bikes Fit on 7/8 in. handlebars, with brake light switch Uses standard banjo Bolt 10x1.25 mm thread pitch Color: gray pump + chrome lever Package including 1 brake master cylinder + free repair kits