Cylinder Works Big Bore Cylinder Kit CRF250R 2004-2009
$633.95
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(+3mm Big Bore Kit) makes 269cc. 13.0:1 comp. Uses Vertex #23535 When using Hot Rods #4183 makes 277cc. *Requires case machining_x000D_
Includes (Cylinder, Piston, Rings, Pin, Clips, Gaskets)