The Yamaha YFZ350 Banshee Wossner High Performance Piston Kit with a piston diameter of 65.94mm is designed for 2-stroke engines. This kit includes high-quality Wossner pistons, with the manufacturer part number 8075D300, ensuring optimal performance and efficiency. Upgrade your ATV with this piston kit to improve engine power and durability, making it a valuable addition to your engine parts collection.