Order Includes: 1 x Exhaust Valve, 1 x Inner Valve Spring, 1 x Outer Valve Spring, 1 x Valve Stem Seal, 2 x Valve Cotter. Compatible with Yamaha models: Moto 4 YFM350ER 1987-1990 1992-1995. Part Number: Exhaust Valve: 3Y1-12121-01-00 / 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..
