NICHE Piston Kit Part Number: MK1001084 Includes: Pistons (2) Piston Rings (2) Wristpins (2) Needle Bearings (2) Circlips (4) Head Gasket Base Gaskets (2) Valve Seat Gaskets (2) This Part is known to be Compatible with the following vehicles: Yamaha Banshee 350 YFZ350: 1987-2006 Yamaha Banshee 350 YFZ350LE Limited Edition: 2004 Yamaha Banshee 350 YFZ350SE Special Edition: 2005-2006 Yamaha Banshee 350 YFZ350SP 50th Anniversary Edition: 2006 A brand new standard bore Piston Kit for your Yamaha Banshee 350 YFZ350 machine. This Kit includes both Pistons to complete an entire Piston rebuild on your ATV. Also included are wristpins needle bearings circlips head gasket base gaskets and valve seat gaskets for a convenient installation. Our Pistons are manufactured from high quality aluminum with a moly-coating to keep them lightweight and durable. Quality and performance guaranteed!