Cylinder kit for CF500 CF188 500cc ATV Quad UTV model CF188-023100 0180-023100.Designed to fit specified engine models, this kit includes components necessary for cylinder assembly replacement or repair.Compatible with select all-terrain vehicles and task vehicles using the designated part numbers.Intended for use in engine rebuilds or performance where standard cylinder wear has occurred. This product is a third-party replacement.Any use of brand names or model designations is purely to indicate compatibility.