Standard Bore Cylinder Kit by Bronco ATV®. 80.00 mm Bore. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.Features:Designed by riders for ridersAll products are manufactured to meet or exceed OEM standardsEngineered with dependability and quality