Cylinder Works Big Bore Cylinders

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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
I recently installed a 98mm Gen II cylinder works cylinder on my YFZ and, I really like it. Had an Athena prior to it and, what I like about the CW is the fit and finish. The Athena didn't match the outline of the head like the CW does. The CW looks just like the OEM cylinder.

Cylinder Works Big Bore Cylinder kits offers a Very good product for a VERY good price!
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