Order Includes: 2 x Muffler Gasket. Compatible with Yamaha models: RD250 1973-1975 / RD350 1973-1975 / RD400 1976-1979 / XS500 1976-1978. Parts Numbers: 3PA-14613-10-00 / 152-14613-00-00 / 1A0-14613-00-00 / 1A8-14613-00-00. We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
