SPECIFICATION Type: 110cc Dirt Bike Cylinder Material: Iron Cylinder bore: D52.4mm Stroke:4stroke G.W. / N.W.: 2.3KG(without piston kits) Outer packing:Carton MOQ: 300pcs Thismodel ofcylinder block is for Chinese dirt bike and some atv engines. We can spply you with various kinds ofmotorcycle cylinder block. Pleasefeel free tosend your samples or drawings for quoting.