Order Includes: 1 x Intake Valve, 1 x Inner Valve Spring, 1 x Outer Valve Spring, 1 x Valve Stem Seal, 2 x Valve Cotter. Compatible with Yamaha models: Big Bear 350 YFM350 2x4 4x4 1987-1999. Part Number: Intake Valve: 3Y1-12111-01-00, Inner Valve Spring: 1UY-12113-01-00, Outer Valve Spring: 1UY-12114-01-00, Valve Stem Seal: 1J7-12119-01-00, Valve Cotter: 1J7-12118-00-00. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
