Cylinder Works Big Bore Cylinders

New big bore cylinders from the makers of the Pivotworks™, Hotcams™, and Hot Rods™. Cylinder Works offers high quality cylinders that are virtually identical in appearance to OEM. Each Cylinder Works big bore kit is designed as a true "drop-in" with no extra machine work to engine or cases.

Kit Features:

• Honed to exact size for easy piston installation
• Do not require machine work
• Stealthy Big Bore Sizes
• Cylinder looks just like stock
• Nickel silicon carbide plated for longer life

Cylinder Works Applications:

• 2004-2005 Honda TRX450R +3mm = 479cc big bore kit
• 2003-2006 Suzuki LTZ400 +4mm = 434cc big bore kit
• 2003-2006 Kawasaki KFX400 +4mm =434cc big bore kit
• 2003-2007 Arctic Cat DVX400 +4mm = 434cc big bore kit
• 2004-2008 Yamaha YFZ450 +3mm Big Bore = 478cc