Copper Exhaust Gasket O Ring with Screws Set For Yamaha Snowmobile Nytro, Vector, Rage and Venture four stroke three cylinder models Feature Highest grade copper alloy Provide the best exhaust gasket Replace Gaskets part numbers: 8FA-14623-00-00 8FA-14623-10-00 99999-03989-00 Replacement bolts part number:91317-06030 Fit for Yamaha Nytro, Vector, Rage and Venture four stroke three cylinder models. Package Included 3 X Exhaust Gasket 3 X Bolts