Order Includes: 2 x Exhaust Valves, 2 x Intake Valves. Compatible with Honda models: XR500R 1983-1984. Dimensions : Exhaust Valve Length: 1.22" 31.0 mm, Exhaust Valve Diameter: 4.09" 104.0 mm, Intake Valve Length: 1.41" 36.0 mm, IntakeValve Diameter: 4.17" 106.0 mm. Part Number: Exhaust Valve : 14711-MG3-000 / Intake Valve : 14721-MG3-000. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
