http://revenda.etonini.com.br/produtos/vela-de-ignicao/161@dot@99/PALIO%20%7C%202007/GM%20SILVERADO%204@dot@1%2012V%20GASOLINA%20@lpar@1997-1999@rpar@%20-%20Motor:%20%23250?PS=12&map=c,c,specificationFilter_81,specificationFilter_79,specificationFilter_82