Part CW11011K01 Cylinder Works Big Bore Cylinder Kit Retail Price:Your Price$729.95 Pack Size:eaQty / Unit:1 Quantity -+ Add to Cart Quantity discounts available QuantityPrice DescriptionCylinder Works Big Bore Cylinder KitFits ModelsCRF 250 R (18-21); CRF 250 RX (19-21)SpecsUses Vertex #24348Compression Ratio13.9:1Cylinder Diameter82 mmCylinder Kit TypeBig BoreDisplacement270 ccEngine Type4-CycleIncludesCylinder, Piston Kit, and Top-End Gasket KitSize Over Standard3.00mm