http://revenda.etonini.com.br/produtos/valvulas/tucho-de-valvula/4@dot@1%2012V%20ALCOOL/OPALA%20%7C%201990/GM%20OPALA%204@dot@1%2012V%20ALCOOL%20@lpar@1991-1992@rpar@%20-%20Motor:%20%23250?PS=12&map=c%2Cc%2Cc%2CspecificationFilter_80%2CspecificationFilter_79%2CspecificationFilter_82