Polini brand copper crush gasket to keep your exhaust leak free. Fits Honda Hobbit PA50II, Camino, Express, Urban Express, Peugeot 103, Motobecane with engines Av7, Av10, Av87, AV88 and others... As well as the Yamaha QT50.
*Does not fit the PA50I with original cylinder*
23mm Inner Diameter.
30mm Outside Diameter.