Suzuki DRZ400 Cylinder Works Big Bore Kit.

Features:

• Direct bolt-on, ready-to- install cylinder; requires no replating and looks virtually identical to the OEM.
• Nickel Silicon Carbide plated for long life.
• Honed to exact size for easy piston installation.
• Big bore cylinders do not require any machine work.
• Comes with gaskets, cylinder, 94mm piston, rings, pin and clips.

NOTE: People commonly refer to this as a 440 kit. LIke all DRZ big bore kits, actual cc is 434.