http://revenda.etonini.com.br/produtos/valvulas/valvula-de-escape/apex/cummins/C10%20%7C%201975/GM%20C10%202@dot@5%208V%20ALCOOL%20@lpar@1969-1973@rpar@%20-%20Motor:%20%23153?PS=12&map=c%2Cc%2Cc%2Cb%2Cb%2CspecificationFilter_79%2CspecificationFilter_82