Part 51002-K01 Cylinder Works Big Bore Cylinder Kit Retail Price:Your Price$909.95 Pack Size:eaQty / Unit:1 Quantity -+ Add to Cart Quantity discounts available QuantityPrice DescriptionCylinder Works Big Bore Cylinder KitFits Models250 EXC-F (07); 250 SX-F (05-12); 250 XC-F (06-12); 250 XCF-W (06-13); 250 XCF-W Six Days (11)SpecsUses Vertex #23274Compression Ratio13.3:1Cylinder Diameter80 mmCylinder Kit TypeBig BoreDisplacement276 ccEngine Type4-CycleIncludesCylinder, Piston Kit, and Top-End Gasket KitSize Over Standard4.00mm