Order Includes: 1 x Intake Valve, 1 x Inner Valve Spring, 1 x Valve Stem Seal, 2 x Valve Cotter. Compatible with Yamaha models: YZ450F 2003-2009. Part Number: Intake Valve: 5TA-12111-00-00, Inner Valve Spring: 5TA-12113-00-00, Valve Stem Seal: 4SV-12119-00-00, Valve Cotter: 1WG-12118-00-00. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
