19-23 Motorcycle 72mm Cylinder Block Kit For XC XCW EXC 300 TE TX EC EX 300cc Piston Ring Kit Cylinder block designed to enhance wear resistance and extend service life with ceramic materials applied to the inner wall.Features hole positioning for direct installation.Constructed from aluminum.Bore size: 72mm.Quantity: 1 piece or 1 kit (options include cylinder block, piston ring, piston kit, or cylinder kit).This product is compatible with models including XC 300 2020–2022, XC-W 300 2019–2023, EXC 300 2019–2023, TE 300i 2019–2023, TX 300i 2020–2022, EC 300 2021–2023, and EX 300 2021–2023.Package includes one of the following: piston ring, cylinder block, piston kit, or cylinder kit.Installation instructions are not included.Multiple options available—please select the correct variant when ordering. This product is a third-party alternative.Brand/model references are included only to assist with compatibility identification.