The Yamaha 2004-2013 YFZ450 Carbureted Top End Gasket Kit is specifically designed for Yamaha ATV models, offering a perfect fit for YFZ450 Yamaha ATV's. With a 96mm bore size and .027" MLS high-grade material, this gasket kit is a crucial component for maintaining the engine's top end sealing, allowing for optimal performance and durability during recreational off-road adventures.