Cylinder Works Dirt Bike +1mm Big Bore Complete Kit 256cc
• Super convenient: just purchase and install
• Virtually identical in appearance to stock
• Comes in standard and big bore sizes
• Nickel silicon carbide-plated for long life
• Honed to exact size for easy piston installation
• Big Bore cylinders do not require machine work
• All kits come complete with gaskets, cylinder and Vertex piston kit
Note:
Honda CRF250R 04-09 and CRF250X 04-13 (+3 mm only) require slight case modifications